using System;

using System.Linq;                  

public class Program

{

    public static void Main()

    {

        var fruitList = new[] {

                        new  {Name = "Apple", Price = 300},

                        new  {Name = "Banana", Price = 200},

                        new  {Name = "Lemon", Price = 1000},

                        new  {Name = "Strawberry", Price = 500},

                    };

​

        var result = fruitList.Select(x => x.Price * 2);

​

        foreach (var x in result)

        {

           Console.WriteLine(x);

        } 

​

    }

}