DanceHall_05

package com.company;


import java.util.Scanner;

public class DanceHall_05 {
    public static void main(String[] args) {


        Scanner scanner = new Scanner(System.in);

        // 1. read input -> length, width, side wardrobe
        // 2. calculate area hall = length * width
        // 3. calculate bench area = area hall / 10
        // 4. calculate wardrobe area = side wardrobe * side wardrobe
        // 5. calculate free space = area hall - bench area - wardrobe area
        // 6. calculate dancers = free space / 7040  ; double / int ->double
        // 7. print dancers -> Math.flor

        double length = Double.parseDouble(scanner.nextLine());
        double width = Double.parseDouble(scanner.nextLine());
        double sideWardrobe = Double.parseDouble(scanner.nextLine());

        double hallArea = (length * 100) * (width * 100); // a * b ( cm -> m / 1 m = 100 cm
        double benchArea = hallArea / 10;
        double wardrobeArea = (sideWardrobe * 100) * (sideWardrobe * 100);
        double freeSpace = hallArea - benchArea - wardrobeArea;
        double dancers = freeSpace / 7040;

        System.out.printf("%.0f",Math.floor(dancers));

    }


}