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744天前#include<iostream>
#include <iomanip>
using namespace std;
int main(){
const float pi = 3.1415927;
float diameter_inch;
int circle;
float time_sec;
int count = 1;
while(cin>>diameter_inch>>circle>>time_sec && circle != 0){
float distance;
float time_hour;
float speed;
distance = pi * diameter_inch * circle / 5280 / 12;
time_hour = time_sec / 3600;
speed = distance / time_hour;
cout<<"Trip #"<<count++<<": ";
cout<<fixed<<setprecision(2)<<distance<<" "<<speed<<endl;
}
}