Yes there is and I suggest to use it. But it’s not a one simple formula. Anyways once written should be much faster. And correct Maybe start with example from here which features both solution with Group Loop and without it:
Additionally this is a good post (and long as well!) from @takbb where he describes together with example how to use “global variables” inside Column Expressions node:
Additionally this is also possible with other programming languages (nodes) as Java and Python but if you are not familiar with it go with Column Expressions.
Maybe start with example from here which features both solution with Group Loop and without it: