1 #include
     
       2  3 char s[300]; 4  5 int main() 6 { 7     int n,a,b; 8     char c; 9     double ans;10     scanf("%d",&n);11         getchar();12         while(n--)13         {14             scanf("%c%d%d",&c,&a,&b);15             getchar();16             switch (c)17             {18                 case '+':printf("%d\n",a+b);break;19                 case '-':printf("%d\n",a-b);break;20                 case '*':printf("%d\n",a*b);break;21                 case '/':a%b?printf("%.2lf\n",(double)a/b):printf("%d\n",a/b);break;22             }23         }24 }