fixed the statement of the value returned & converted the output to a number

Author: djebsoft

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

@@ -15,6 +15,6 @@
 // It should return their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-  return (BMI = (weight / (height * height)).toFixed(1)); // return the BMI of someone based off their weight and height
+  return Number(weight / (height * height)).toFixed(1); // return the BMI of someone based off their weight and height
 }
 console.log(calculateBMI(90, 1.77)); // when calling this function with given someone's weight and height