Custom Quantity & Item Description form.

I want to create a widget (I think it's called) to embed into my website.  I need 1 box to be for quantity where any number can be entered, and the other box to read Item Description where any text can be entered.  Where do I start?

Here is our starting guide: https://www.jotform.com/help/2-How-to-Create-Your-First-Web-Form that you can check, and here is the test form:

You can check it as well here: https://form.jotform.com/80081761851961

Let us know if you need any further questions.

Thank you!