How to sum the values of AppState and PageState variables in Flutterflow

In this beginners tutorial, we look at how to sum the values of local state variables in Flutterflow.
Knowing the sum of values for a variable is a crucial piece of information for a whole host of different application types.
This works for both AppState and PageState variables and is set up to sum the values of a list of objects.
The code snippet used in the video can be downloaded from here:
rapidmvp.co/ho...
#flutterflow #lowcode #tutorial

[@ubcoder]

good sir I have 3 rows and i want to show this rows with add more button one by one every rows in which remove button i click the remove button remove the specific row and i click add button show again please how i can do this