Why after the <b /> typing disappears the word that is after that?

Question

https://code.sololearn.com/WxQ4f2G91jIy/?ref=app

Answer 1

Do you mean <b> or <br>? Because a br tag doesn't need to be closed and a b tag, which makes text bold, should be opened and closed like this:
<b></b>

Answer 2

Question is wrong..

Answer 3

Quetion is wrong..