[数值计算] 【已解决】批处理for里面如何大数相加？

@echo off
@title 本机信息
Color 0D
echo ---------------------------------
for /f "tokens=1 skip=1" %%i in ('wmic cpu get NumberOfLogicalProcessors') do if %%i gtr 1 ( set ip=%%i)
echo 你的服务器CPU线程数：%ip%
set nc=0
for /f "tokens=1 skip=1" %%c in ('wmic memorychip get capacity') do if %%c gtr 1 ( 
set /a nc=%%c+%nc%
call :jia %nc% %ok% ok
echo %ok%
)
set suru=%nc%/1073741824
call :cu0  %suru:/= % ok
echo 你的服务器内存大小：%ok% G
echo ---------------------------------
pause
:cu0 by @随风 @bbs.bathome.net
::by @随风 @bbs.bathome.net
setlocal enabledelayedexpansion&set "lin=00000"
set /a zongw=1000,cs1w=0,cs2w=0,falg=0,x=0
if "!str!"=="1" Endlocal&set %~3=%ff%!num!&goto :EOF
if "%~1"=="0" set sang=0&goto cu4
if "!str!"=="0" set sang=以零为除数的错误。&goto cu4
if not defined xiaosu set /a xiaosu=10
for /l %%a in (1 1 5) do set "lin=!lin!!lin!!lin!"
set sang=&set ppp=&set var1=%~1&set "var2=%~2"
for /f "tokens=* delims=0" %%a in ("!var1!")do set var1=%%a
for /f "tokens=* delims=0" %%a in ("!var2!")do set var2=%%a
for /l %%a in (0 1 9)do (set "var1=!var1:%%a= %%a !"
set "var2=!var2:%%a= %%a !")
for %%a in (!var1!) do set /a cs1w+=1
for %%a in (!var2!) do set /a cs2w+=1
for /l %%a in (1 1 10) do (set t=&set cs=%~2&set/a j=0
for /l %%b in (1 1 !cs2w!) do (set /a a=%%a*!cs:~-1!+j
set t=!a:~-1!!t!&set a=0!a!&set "j=!a:~-2,1!"
set cs=!cs:~0,-1!&set cs%%a=&set "bj%%a=")
if !j! neq 0 (set cs%%a=!lin!!j!!t!&set "bj%%a=!j!!t!"
) else set cs%%a=!lin!!t!&set "bj%%a=!t!"
set "cs%%a=!cs%%a:~-%zongw%!")
set var2=!lin!!var2: =!&set "var2=!var2:~-%zongw%!"
set /a cswc=cs1w-cs2w&set "var1=!var1: =!"
if !cswc! lss 0 (set cswc=!cswc:-=!&set/a flag=1
for /l %%a in (1 1 !cswc!)do (
if %%a leq 11 set sang=0!sang!&set /a x=cswc-1
set "var1=!var1!0")
set "sang=!sang:~0,1!.!sang:~1!")
set ppp=!var1:~0,%cs2w%!&set "var1=!var1:~%cs2w%!"
if !flag! equ 1 (set /a bul=1) else set /a bul=0
goto cu2
:cu1
if not defined var1 (set "var1=0"
if not defined ppp goto cu4
if !flag! equ 0 (set sang=!sang!.&set /a flag=1))
set/a bul=1&set ppp=!ppp!!var1:~0,1!&set "var1=!var1:~1!"
:cu2
if !x! geq %xiaosu% goto cu4
set pvar1=!lin!!ppp!&set "pvar1=!pvar1:~-%zongw%!"
if "!pvar1!" lss "!var2!" (
if !bul! equ 1 (set sang=!sang!0&set /a bul=0
if !flag! equ 1 set /a x+=1)
if "!ppp:~0,1!"=="0" set "ppp="
goto cu1)
if !flag! equ 1 set /a x+=1
set /a bul=0
::计算商
for /l %%a in (1 1 10) do (
if "!cs%%a!" equ "!pvar1!" (
set "sang=!sang!%%a"&set "yu=!bj%%a!"&goto cu3)
if "!cs%%a!" gtr "!pvar1!" (set /a s=%%a-1
set "sang=!sang!!s!"&set yu=!t!&goto cu3)
set "t=!bj%%a!")
:cu3 计算差
set cjs=!ppp!&set cj1=&set m=&set/a jjj=0
for /l %%a in (0 1 9) do set "cjs=!cjs:%%a= %%a !"
for %%a in (!cjs!) do set "cj1=%%a !cj1!"
for %%a in (!cj1!) do (if "!yu!"=="" set/a yu=0
set /a a=%%a-jjj,b=!yu:~-1!
if !a! lss !b! (set /a a+=10,jjj=1)else set/a jjj=0
set /a w=a-b&set m=!w!!m!&set yu=!yu:~0,-1!)
for /f "tokens=* delims=0" %%m in ("!m!") do (
if "%%m"=="" (set m=0) else set "m=%%m")
if !m! equ 0 (
if "!var1:0=!"=="" set sang=!sang!!var1!&goto cu4
set ppp=&goto cu1) else set "ppp=!m!"
goto cu2
:cu4
if "!sang:~0,1!"=="." set "sang=0!sang!"
Endlocal&set %~3=%ff%%sang%&goto :EOF

:jia 加法函数（封装）by @随风 @bbs.bathome.net
::计算任意位数的正整数加法
setlocal enabledelayedexpansion&set f=&set "t="
set var1=%~1&set var2=%~2&set /a j=0,n1=0,n2=0
for /l %%a in (0 1 9) do (set vard1=&set "vard2="
set var1=!var1:%%a= %%a !&set var2=!var2:%%a= %%a !)
for %%a in (!var1!)do (set/a n1+=1&set vard1=%%a !vard1!)
for %%a in (!var2!)do (set/a n2+=1&set vard2=%%a !vard2!)
(if !n1! lss !n2! (set var1=%var2%&set "var2=%var1%"
set vard1=%vard2%&set vard2=%vard1%))&set "var2=!var2: =!"
for %%a in (!vard1!) do (if "!var2!"=="" set /a var2=0
set /a a=%%a+!var2:~-1!+j&set t=!a:~-1!!t!&set "a=0!a!"
set "j=!a:~-2,1!"&set var2=!var2:~0,-1!)
if !j! neq 0 set "t=!j!!t!"
Endlocal&set %~3=%t%&goto :EOF
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