Where this number came from ?

AgusKrisn4

I'm using operator "Optimize by Generation (Evolutionary Aggregation) with Decision Tree. Compared with only Decision Tree, this operator only using 2 atributes and 1 generated atribute, i want to know how this atribute get the number from other 2 atributes

This is before using Optimize by Generation (Evolutionary Aggregation)


This is after using Optimize by Generation (Evolutionary Aggregation)