#include<iostream>
using namespace std;
int main(){
long long int a,b,c,n;
while(cin>>n){
	while(cin>>a>>b>>c){
	a>1<=4;
	if(a==1){
		cout<<b+c<<endl;
	}
	else if(a==2){
		cout<<b-c<<endl;
	}
	else if(a==3){
		cout<<b*c<<endl;
	}
	else cout<<b/c<<endl;
}
}
  return 0;
}
//最基礎的解法