using HtmlAgilityPack;

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

            HtmlDocument htmlDocument = new HtmlDocument();
            htmlDocument.LoadHtml(htmlContent);

            HtmlNode stockElement = htmlDocument.DocumentNode.SelectSingleNode("//*[@id='product-752']/div[2]/p[2]");
            string stockAmount = stockElement.InnerText;

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

    }
}