2016_18_Dec_Change Tiles

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Change_Tiles
{
    class Program
    {
        static void Main(string[] args)
        {
            double Money =     double.Parse(Console.ReadLine());
            double floorWidth = double.Parse(Console.ReadLine());
            double floorLenght = double.Parse(Console.ReadLine());
            double TrnglSide = double.Parse(Console.ReadLine());
            double TrnglHigh = double.Parse(Console.ReadLine());
            double priceTile = double.Parse(Console.ReadLine());
            double workPrice = double.Parse(Console.ReadLine());

            var AreaFloor = floorWidth*floorLenght;
            var AreaTile = (TrnglSide * TrnglHigh) / 2;
            var CounTile = Math.Ceiling(AreaFloor / AreaTile)+5;
            var Sum = (CounTile*priceTile+workPrice);

            var result = 0.0;

            if (Sum <= Money)
            {
                result = (Money - Sum);
                Console.WriteLine("{0:f2} lv left.", result);
            }
            else if (Sum > Money)
            {
                result = (Sum - Money);
                Console.WriteLine("You'll need {0:f2} lv more.", result);
            }
        }
    }
}