Don't write kg/m at the end of the number otherwise it won't work.
Body mass index (BMI) is a value derived from the mass (weight) and height of a person. The BMI is defined as the body mass divided by the square of the body height, and is expressed in units of kg/m2, resulting from mass in kilograms and height in meters. In this project you can calculate your BMI! Updates: v1.0 (7th July 2023) - Released