简单计算机器C语言实现

#include<stdio.h>
void main()
{
    int c,number1,number2;
    scanf("%d%c%d",&number1,&c,&number2);
    switch(c)
    {
       case '+':printf("%d",number1+number2);break;
       case '-':printf("%d",number1-number2);break;
       case '*':printf("%d",number1*number2);break;
       case '/':printf("%d",number1/number2);break;
       case '%':printf("%d",number1%number2);break;
       default:printf("Error");break;
    }
}