#include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
string arr1[n];
float arr2[n], arr[3];
for(int i=0;i<n;i++){
    cin>>arr1[i];
    cin>>arr2[i];
    cin>>arr3[i]
}
for(int j0; j<n;j++)
{
    cout<<arr2[j]-((arr2[j]*arr3[j])/100)<<endl;
}
return 0;
}