计算器

#include<stdio.h>
double calcutortor(double a, double b, char myoperator)
{
    if(myoperator=='+')
    {
        return a+b;
    }
    else if(myoperator=='-')
    {
        return a-b;
    }
    else if(myoperator=='*')
    {
        return a*b;
    }
    else if(myoperator=='/')
    {
        if(b==0)
        {
            printf("Cannot divide into 0!!!\n");

            return 0;
        }
        else
        {
            return a/b;
        }

    }
    else
    {
        printf("error\n");
        return 0;
}
    }
    int main()
    {
        double a,b;
        char myoperator;
        scanf("%lf%c%lf", &a , &myoperator,&b);
        printf("%lf\n" ,calcutortor(a,b,myoperator));


    return 0;
}