using System;

public class Program

{

    public static void Main()

    {

        double a;

        double b;

        double c;

        Console.WriteLine("Enter a Price: ");

        while(!Double.TryParse(Console.ReadLine(), out a));

        Console.WriteLine("Enter the Quantity of Items: ");

            while(!double.TryParse(Console.ReadLine(), out b));

        a = (a*b);

        c = (a*0.075);

        a = (a + c);

          Console.WriteLine( Math.Round(a,2));

    }

}