1 #include <iostream>
 2 #include <cstdio>
 3 using namespace std;
 4 
 5 int main(){
 6     char c;
 7     int t, a, b;
 8     cin >> t;
 9     while(t--){
10         cin >> c >> a >> b;
11         if(c == ‘+‘)
12             cout << (a + b) << endl;
13         else if(c == ‘-‘)
14             cout << (a - b) << endl;
15         else if(c == ‘*‘)
16             cout << (a * b) << endl;
17         else if(c == ‘/‘){
18             if(a % b == 0)
19                 cout << (a / b) << endl;
20             else
21                 printf("%.2f\n", (float)a / b);
22         }        
23     }
24     return 0;
25 }