Q15Single correct5 Marks24 Dec 2023
What does the given procedure calculate(a, b) return for a = 15 and b = 12?
```
Procedure calculate(a, b){
sub = 0
if(a < b){
return(calculate(b, a))
}
if(a == b){
return(b)
}
sub = a - b
return(calculate(b, sub))
}
End calculate
```