Java Project #4: Travel Cost

/**
 * TravelCost computes the cost of travel using a vehicle.
 * 
 * @author (Andrew Samuels) 
 * @version (02-04-2010)
 */

//importing Scanner from library
import java.util.Scanner;

public class TravelCost
{
    public static void main(String[] args)
    {
    //create variables
    int travelDistance; //travel distance in miles
    int gasolineUsage; //gasoline usage in miles per gallon
    double gasolinePrice; //gasoline price in dollars per gallon
    double totalTravelCost; //The total cost of traveling
    
    //Create Scanner
    Scanner keyboard = new Scanner(System.in);
        
    //capture travel distance from user
    System.out.print("Please enter travel distance (miles): ");
    travelDistance = keyboard.nextInt();
    
    //capture gas usage from user
    System.out.print("Please enter gas usage of vehicle (miles per gallon): ");
    gasolineUsage = keyboard.nextInt();
    
    //capture gas price from user
    System.out.print("Please enter gas price (dollars per gallon): ");
    gasolinePrice = keyboard.nextDouble();
    
    //Calculate
    totalTravelCost = (travelDistance/gasolineUsage)*gasolinePrice;
    
    //print total travel cost
    System.out.println("The total travel cost (dollars): " + totalTravelCost);
    }
}