/**
This program demonstrates the use of escape sequence and the system-out-println system outputs.

@author John Rozsa
@version 2/6/12
CIS 1500

*/
import java.util.Scanner;

public class testgas
{
    public static void main (String [] args)
    {
        double milesdriven, gallons, milespergallon, milesperweek, milespergallonofauto, currentcostofgas, milesperyear;

        //get information from the user
        // declares milespergallon = milesdriven divided by gallons

        System.out.println("WELCOME TO THE GAS CALCULATION PROGRAM.");
        System.out.println("How many miles you drive per week?");
        Scanner keyboard = new Scanner(System.in);
        milesperweek = keyboard.nextDouble();

        System.out.println("How many miles per gallon does your auto get?");
        milespergallonofauto = keyboard.nextDouble();

        System.out.println("What is the current cost of gas?");
        currentcostofgas = keyboard.nextDouble();

        milesperyear = 52.18 * milesperweek;

        //display information back to the user

        //calculate miles per year

        System.out.println ("At " + milesperweek + " miles per week you will travel " + milesperyear + " miles per year.\n");

        System.out.println ("Gallons per week " + (milesperweek/milespergallonofauto) + "\n");

        System.out.println ("Gallons per year " + (milesperweek/milespergallonofauto * 365) + "\n");

        System.out.println ("With gas at " + (currentcostofgas) + " per gallon, you will spend:\n");

        System.out.println ("Gas expence per week: " + (currentcostofgas) * milesperweek/milespergallonofauto + "\n");

        System.out.println ("Gas expense per year: " + (currentcostofgas) * milesperyear/milespergallonofauto + "\n");

        System.out.println ("If gas goes up by one dollar per gallon to " + (currentcostofgas + 1) + " per gallon, you will spend:\n");

        System.out.println ("Gas expense per week: " + (currentcostofgas + 1) * milesperweek/milespergallonofauto + "\n");

        System.out.println ("Gas expense per year: " + (currentcostofgas + 1) * milesperyear/milespergallonofauto + "\n");
    }
}