How to calculate next month/year from a specified date

Hi everyone,

Specified Date: 14 March 2021

How do I calculate one month and one year from the specified date on Glide? i.e. I need a way to get 14 April 2021 and 14 March 2022.

Context: The dates are inputted by the users and I want to show them their next payment date.

Thank you!

For getting the date one year from a specified date, the following should help: