Tile Change Exam 18 Dec 2016

import java.util.Scanner;


public class Tile_Change {

    public static void main(String[] args) {

        Scanner console = new Scanner(System.in);
        double money = Double.parseDouble(console.nextLine());
        double a = Double.parseDouble(console.nextLine());
        double b = Double.parseDouble(console.nextLine());
        double at = Double.parseDouble(console.nextLine());
        double h = Double.parseDouble(console.nextLine());
        double tilePrice = Double.parseDouble(console.nextLine());
        double workPrice = Double.parseDouble(console.nextLine());


        double areaRoom = a * b;
        double areaTile = at * h / 2;
        double tilesNeeded = Math.round((areaRoom / areaTile)) + 5;
        double moneyNeeded = tilesNeeded * tilePrice + workPrice;


        if (money >= moneyNeeded) {
            money = money - moneyNeeded;
            System.out.printf("%.02f lv left.", money);
        }
        else {
            money = moneyNeeded - money;
            System.out.printf("You'll need %.02f lv more.", money);
        }
    }

}