#include <iostream>
#include <iomanip>
using namespace std;
const double pi = 3.1415927;
int main()
{
double diameter, time;
int revolutions;
int num = 0;
while (cin >> diameter >> revolutions >> time)
{
if (revolutions == 0)
break;
double inches = diameter * pi * revolutions;
double distance = inches / 12 / 5280;
double MPH = distance * 3600 / time;
cout << "Trip #" << ++num << ": ";
cout << fixed << setprecision(2) << distance << " " << MPH << endl;
}
return 0;
}
继续加油。