.NET Fiddle

CSharp · Console

/Program.cs

using System;
					
public class Program
{
	public static void Main()
	{
		decimal yhikuHind = 6.667m;
		decimal yhikuid = 5m;
		decimal kmProtsent = 20;
		
		decimal ilmaKM = 0;
		decimal kaibeOsa = 0;
		decimal reaSumma = 0;
		
		ilmaKM = Math.Round(yhikuHind * yhikuid, 2, MidpointRounding.AwayFromZero);
		kaibeOsa = Math.Round(ilmaKM * (kmProtsent / 100), 2, MidpointRounding.AwayFromZero);
		reaSumma = Math.Round(ilmaKM + kaibeOsa, 2, MidpointRounding.AwayFromZero);
		
		Console.WriteLine("Kauba hind ilma käibeta: " + ilmaKM.ToString());
		Console.WriteLine("Käibemaksu osa: " + kaibeOsa.ToString());
		Console.WriteLine("Rea summa, ümardatuna: " + reaSumma.ToString());
	}
}