a = 9999
b = 8888
sum = call demo( $a, $b )
end
demo:
local num1
local num2
num1 = getpara
num2 = getpara
local tmp
tmp = 33
sum = call a( $num1, $num2 )
? $tmp
tmp = 44
diff = call b( $sum, $num2 )
? $tmp
push 999999 // like return 999999
return
a:
local num1
local num2
num1 = getpara
num2 = getpara
local tmp
tmp = add( $num1, $num2 )
return $tmp
b:
local num1
local num2
num1 = getpara
num2 = getpara
local tmp
tmp = sub( $num1, $num2 )
return $tmp