please  modify  the division code  to all integer  and  to be  with out reminder

please  
  I hope I can be noticed The application displays decimal issues Problems must be in correct numbers And the remainder of the division is equal to zero So that the questions and their answers are correct numbers Please see this example for more clarity and understanding of the proposal 

https://drive.google.com/file/d/1y34OiyOPFUQKA9kmE9XUy6WvUqSPAiNU/view?usp=sharing