#include 
     
      int main(){    int numbers,i,a, b;    double num;    char opeart;        scanf("%d", &numbers);        for ( i = 0; i < numbers; i++)    {        getchar();                scanf("%c%d%d", &opeart,&a,&b);        switch (opeart)        {        case '+':printf("%d\n", a + b); break;        case '-':printf("%d\n", a - b); break;        case '*':printf("%d\n", a * b); break;        case '/':a%b?printf("%.2lf\n",a*1.0/b):printf("%d\n",a/b); break;        }    }    return 0;}