Exam 12 January 2019 Renovation

import java.util.Scanner;

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

        double budget = Double.parseDouble(scanner.nextLine());
        double leghtFloor = Double.parseDouble(scanner.nextLine());
        double weightFloor = Double.parseDouble(scanner.nextLine());
        double sideTriangle = Double.parseDouble(scanner.nextLine());
        double heightTriangle = Double.parseDouble(scanner.nextLine());
        double sumOneBath = Double.parseDouble(scanner.nextLine());
        double sumMaistor = Double.parseDouble(scanner.nextLine());

        double ploshtPod = leghtFloor * weightFloor;
        double ploshtPlochka = sideTriangle * heightTriangle / 2;
        double neededPlochki = Math.ceil(ploshtPod / ploshtPlochka) + 5;
        double finalSum = neededPlochki * sumOneBath + sumMaistor;
        double ostatuk = Math.abs(finalSum - budget);

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