What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I checked your other thread but it seems you have already changed to using the regular Paypal field. I cloned your form to test it and upon submission, I was redirected to PayPal with the proper total:
If you could please let us know a bit more detail regarding what is not working with PayPal or your form, we will be happy to have another look to see what the issue is.