Why is it not showing any gaps between?

Question

I want gaps between the different values in the code please tell me what to do for that
https://code.sololearn.com/WewOxckY9WKW/?ref=app

Answer 1

document.write((n+n)+" "+(n*n-1)+" "+n*n+1)

Answer 2

because it dosn't have any <br /> element in document.write