**olovesz**How do I calculate multiple fields in which some of them need to be multiplied.

For instance Product x quanity, + Product x quanity, + Product x Quanity, equals

*This is a re-post of a comment on How to Perform Form Calculation Using a Widget*- JotForm Support
**Chriistian**You can try using Matrix Field and perform a calculation using the Form Calculation Widget. Please refer to this guide: How to Perform Form Calculation in the Matrix Field?

You can also try adding a Purchase Order Tool where you can add products and set quantity for every product and it will calculate the total per price. Using the Purchase Order Tool, you can create an order form without payments.

Related Guide: How to Add Options to Payment Forms

Hope this helps.

Regards.