#include<iostream>
#include<iomanip>
#include<string>
using namespace std;
int main(){
    int n;
    cin>>n;
    cout<<fixed<<setprecision(1);
    for(int i=0;i<n;i++){
        string type;
        double price,discount;
        cin>>type>>price>>discount;
        cin<<price-(price*discount/100);
    }
    return 0;
}