using System;

using Microsoft.CodeAnalysis.CSharp.Scripting;

using System.Threading.Tasks;

​

public class Program

{

    public static void Main()

    {

        Evaluate();

    }

    public async static Task Evaluate()

    {

        var globals = new Global();

        var str = "value > 20000 ? 200 : value > 15000 && value < 19999 ? 150 : 100 ";

        var result = await CSharpScript.EvaluateAsync(str,globals:globals);

        Console.WriteLine(result);

    }

    public class Global

    {

        public int @value = 14000;

    }

}