using AngleSharp;
using AngleSharp.Dom;

class Scraper
{
    static async Task Main()
    {
        //..
        {
            //...

            var config = Configuration.Default.WithDefaultLoader();
            var context = BrowsingContext.New(config);
            var document = await context.OpenAsync(req => req.Content(htmlContent));

            var stockElement = document.QuerySelector(".stock");
            string stockAmount = stockElement.TextContent;

            Console.WriteLine("Stock Amount: " + stockAmount);
        }

    }
}