using System;

using System.Linq.Expressions;

using System.Collections;

using System.Collections.Generic;

using System.Reflection;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("****************** C# Equivalent Output **************************\n\n");

​

        int value = 30 * 5;

        Console.WriteLine(value);

​

        Console.WriteLine("\n\n***************** Expression Tree Output **************************\n\n");

​

        Expression valueExpr = Expression.Multiply(

            Expression.Constant(30),

            Expression.Constant(5)

        );

​

        Console.WriteLine(Expression.Lambda<Func<int>>(valueExpr).Compile()());

    }

}