Resistors in parallel calculator

Hello. On the internet there is a lot of resistor in parallel calculator. You enter the number of resistor + the value of those resistors and you have a TOTAL RESISTANCE. Here is an example :

https://circuitdigest.com/calculators/resistors-in-parallel-calculator

Me i want to do the inverted equation. I want to enter the total resistance and the "number of resistors" I need, and I want the calculator to show me the value of those resistors.

Do you know how to do it in excel ?

Thank you.