01. Поправка на плочки

#include <iostream>
#include <math.h>
#include <iomanip>
using namespace std;

int main() {
    double length_playground;
    double width_plate;
    double length_plate;
    double width_bench;
    double length_bench;
    cin >> length_playground >> width_plate >> length_plate >> width_bench >> length_bench;

    double area_playground = length_playground * length_playground;
    double area_bench = width_bench * length_bench;
    area_playground = area_playground - area_bench;
    double area_plate = width_plate * length_plate;
    double count_plates = area_playground / area_plate;
    double needed_time = count_plates * 0.2;

    cout << fixed << setprecision(2) << count_plates << endl;
    cout << fixed << setprecision(2) << needed_time << endl;
}