C#SoftUni_шивашкиЦех

using System;

namespace softuni1
{
    class Program
    {
        static void Main(string[] args)
        {
            int tables = int.Parse(Console.ReadLine());
            double lenght = double.Parse(Console.ReadLine());
            double width = double.Parse(Console.ReadLine());

            double areaCover = tables * (lenght + 2 * 0.30) * (width + 2 * 0.30);
            double areaSqr = tables * (lenght / 2) * (lenght / 2);
            double sumD = (areaCover * 7) + areaSqr * 9;
            double sumL = (sumD * 1.85);

            Console.WriteLine($"{ sumD:f2}");
            Console.WriteLine($"{sumL:f2}") ;

        }

    }
}