What is two plus two?
FIVE
You take the two and add it to the other two and you get the answer to equal five.
I hope this helps.
21
2+2 is 21
it's simple
The correct answer to "two plus two" is 4
$${\mathtt{2}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}} = {\mathtt{4}}$$