Hello,
I want to get the field value of the Odometer reading of an Equipment, I created a module Equipment Readings, This module is for Daily input of the Activities of every equipment including its current odometer and last odometer reading. I created a form and the fields are: Equipment, Last Odometer Reading, Current Odometer Reading and Date.

I want to get the value of the current odometer reading of the equipment that I will choose.

Equipment:

Previous Odometer Reading:

Odometer Reading:

New Odometer Reading:

Date: