Tell us what’s happening: I can pass the challenge but I don’t understand why 5 + 2 = 13
Describe your issue in detail here.

**Your code so far**

// Setup
function abTest(a, b) {
// Only change code below this line
if (a < 0 || b < 0){
return undefined;
}
// Only change code above this line
return Math.round(Math.pow(Math.sqrt(a) + Math.sqrt(b), 2));
}
console.log(abTest(6,2));

**Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36