BMI formula

BMI formula

I've been trying for hours to calculate BMI using height and weight as my only inputs.
It's a simple calculation and I even went to ChatGPT to help me figure this out in Zoho Forms, but it led me down a path of "try this" and "try this". None of my attempts work and I get an error every time.
can someone please help?

Here is the formula I am trying, but doesn't validate in Zoho Forms:

ROUND ( (Weight * 703) / (Height * Height), 1)