using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Xml;
public class Program
{
public static void Main()
var json = @"{totalDatas : ""1234""}";
var obj = JObject.Parse(json);
var token = obj["totalDatas"];
int result = (int) token;
Console.WriteLine(result*2);
}