Implement BMI calculation in calculateBMI function

Author: Darkidd77

Sprint-2/3-mandatory-implement/1-bmi.js

@@ -16,4 +16,10 @@
 
 function calculateBMI(weight, height) {
     // return the BMI of someone based off their weight and height
-}
+
+    const bmi = weight / (height * height);
+    return Math.round(bmi * 10) / 10;
+}
+
+// Example:
+console.log(calculateBMI(70, 1.73));