Реколта

import java.util.Scanner;

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

        int area = Integer.parseInt(scanner.nextLine());
        double grapeArea = Double.parseDouble(scanner.nextLine());
        int litres = Integer.parseInt(scanner.nextLine());
        int workers = Integer.parseInt(scanner.nextLine());

        double grapes = area * grapeArea;
        double wine = (grapes * 0.4) / 2.5;

        if(wine >= litres){
            double wineLeft = Math.ceil(wine - litres);

            double wineForWorkers = Math.ceil(wineLeft / workers);

            System.out.printf("Good harvest this year! Total wine: %.0f liters.\n" +
                    "%.0f liters left -> %.0f liters per person.\n", Math.floor(wine), wineLeft, wineForWorkers);
        }else{
            double wineNeeded = Math.floor(litres - wine);

            System.out.printf("It will be a tough winter! More %.0f liters wine needed.", wineNeeded);
        }
    }
}