Form simple calculations

Some forms are being used to order something, like a product or service. It would be extremely handy if the Kadence form builder could provide some basic calculations. Example; value field 1 * value field 2 value field 6 + value field 7 etc. value field 6 * 0.21 (total) value field 1 + value field 2 + value field 3 + value field 4 etc. Like: product xx price 20,- #: 3 subtotal 60,- product xx price 15,- #: 1 subtotal 15,- total: 75,- Well, you get the picture…