public static void Main()
int numberDays = int.Parse(Console.ReadLine());
int numberConfectioners = int.Parse(Console.ReadLine());
int numberCakes = int.Parse(Console.ReadLine());
int numberWaffles = int.Parse(Console.ReadLine());
int numberPancakes = int.Parse(Console.ReadLine());
double finalPriceDaily = numberCakes * 45 + numberWaffles * 5.80 + numberPancakes * 3.20;
double finalPrice = finalPriceDaily * numberConfectioners * numberDays;
finalPrice = finalPrice - (finalPrice / 8);
Console.WriteLine("{0:F2}", finalPrice);