// @nuget: Z.Expressions.Eval

​

using System;

using Z.Expressions;

public class Program

{

    public static void Main()

    {

​

        var context = new EvalContext();

        // ... context options ...

        var orderItem = new OrderItem();

        orderItem.Price = 5.25;

        orderItem.Quantity = 4;

        string code = "Price * Quantity";

        var price = context.Execute<decimal>(code, orderItem);

        Console.WriteLine(price);

    }

    public class OrderItem 

    {

        public double Price {get;set;}  

        public int Quantity {get;set;}  

    }

}