What's 9+10?
$${\mathtt{9}}{\mathtt{\,\small\textbf+\,}}{\mathtt{10}} = {\mathtt{19}}$$
21 is the answer
19 or 21 is the answer
21!!!!!!!!!!!!!!!!!!!!!!!! WEZ 9 + 10 21!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!