using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class arvutus2 : System.Web.UI.Page
{
    double[] kursid = { 1.4, 1.37, 27.5 };
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    public void arvuta(object sender, EventArgs e)
    {
        Label1.Text=(double.Parse(TextBox1.Text)*kursid[ListBox1.SelectedIndex]).ToString();
    }
}