p02_ChangeTiles

import java.util.Scanner;

public class ChangeTiles {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);

        double budget = Double.parseDouble(console.nextLine());

        double floorWidght = Double.parseDouble(console.nextLine());
        double floorLeght = Double.parseDouble(console.nextLine());

        double tileSide = Double.parseDouble(console.nextLine());
        double tileHeight = Double.parseDouble(console.nextLine());

        double pricePerTile = Double.parseDouble(console.nextLine());

        double instalationFee = Double.parseDouble(console.nextLine());

        double floorArea = floorLeght * floorWidght;
        double tileArea = (tileSide * tileHeight) / 2;

        final int finalWastage = 5;

        int tileCount = (int)Math.ceil(floorArea / tileArea)+ finalWastage;
        double tilePrice = tileCount * pricePerTile;
        double subTotal = tilePrice + instalationFee;

        double moneyLeft = Math.abs(budget - subTotal);

        if(subTotal <= budget){
            System.out.printf("%.2f lv left.", moneyLeft);
        }else{
            System.out.printf(" You'll need %.2f lv more.", moneyLeft);
        }





    }
}