Can you help me learn how to calculate my BMI?
user
Sure, that’s a really good idea!  I can give you some info on how to calculate it yourself, and then you can work through it step-by-step and see what it means.

Do you know what a kilogram is?
assistant
Can you help me learn how to calculate my BMI?
user
Sure. What does “BMI” stand for?
assistant
Can you help me learn how to calculate my BMI?