using System;

public class Program

{

    public static void Main()

    {

        var myTemperature = new Temperature();

        myTemperature.FahrenheitReading = 77;

        //myTemperature.CelciusEquivalent = 25; //This is not allowed

        Console.WriteLine(myTemperature.CelciusEquivalent);

    }

}

​

public class Temperature

{

    public decimal FahrenheitReading { get; set; }

    public decimal CelciusEquivalent { 

        get

        {

            return (FahrenheitReading - 32) * 5/9;

        }

    }

}