Calculating form

[Thatoo]

Nextcloud (please complete the following information):

• Nextcloud-Version: 25
• Forms-Version: 3.0.5

Is your feature request related to a problem? Please describe.
Be able to make calculated form.

Describe the solution you'd like
Be able to link a value to field, either a fixed value to each radio button option or to get a value from the user on a "text" field.
Be able to make a simple calculation ( +, -, *, /) with theses value and give a total value feedback to the user.

Additional context
Inspired from https://ninjaforms.com/docs/calculations/