How to do repeated calculation pls respond

I want to make a block such that it substract a number on a label (-7) till it reaches below 8.

How to repeatedly subtract till it reaches a limit

How to repeate a block again and again till it reaches a to do it in app inventor

Pls respond

Pls respond @taifun @TIMAI2 @ChrisWard

A post was merged into an existing topic: Substract repeatedly