//CS5-HMC-Sp.,00-HW3-4
//A. Khakpour, May, 00

import java.text.*;

class MilesPerGallon
{
   //-----------------------------------------------------------------
   //  Computes the miles per gallon achieved given the gallons used
   //  and the odometer readings.
   //-----------------------------------------------------------------
   public static void main (String[] args)
   {
      float gas, mpg;
      int odometer1, odometer2;

      System.out.print ("Enter the gas used: ");
      gas = Keyboard.readFloat();
      System.out.print ("Initial odometer reading: ");
      odometer1 = Keyboard.readInt();
      System.out.print ("Final odometer reading: ");
      odometer2 = Keyboard.readInt();

      mpg = (odometer2 - odometer1) / gas;

      DecimalFormat fmt = new DecimalFormat ("0.##");
      System.out.println ("Miles Per Gallon: " + fmt.format(mpg));
   }
}