ZOJ-1813

import java.util.Scanner;

public class Main
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
int i = 0;
while (true)
{
double diameter = sc.nextDouble();
int revolutions = sc.nextInt();
double seconds = sc.nextDouble();

if (revolutions == 0)
break;

double miles = 3.1415927 * diameter * revolutions / 5280 / 12;
double mhp = miles * 3600 / seconds;

System.out.format("Trip #%d: %.2f %.2f\n", ++i, miles, mhp);
}
}

}