#include  <iostream>
using namespace std;
 
int main()
{
   int N;
   cin>>N;
   for(int i=0;i<N;i++)
   {
    int T=0;
    float A=0.0;
    float B=0.0;
    float C=0.0;
    cin>>T>>A>>B>>C;
    if(T==0)
   {
    A=A+B*0.059+C*0.002;
    A*=5;
    cout<<A<<endl;
    } 
    else if(T==1)
   {
    A=A+B*0.059+C*0.002;
    A*=6.58;
    cout<<A<<endl;
   }
    else if(T==2)
   {
    A=A+B*0.059+C*0.002;
    A*=193.2;
    cout<<A<<endl; 
   } 
   } 
   }

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MwowIDEgMTAwMCAxMDAwCjEgMSAxMDAwIDEwMDAKMiAxIDEwMDAgMTAwMA==

3
0 1 1000 1000
1 1 1000 1000
2 1 1000 1000