In article 20180411225333.1c2bfa57@Mars, Rob Morley
writes
On Sun, 8 Apr 2018 09:50:04 +0100
ARW wrote:

Four?

Nope it is 4.

Just had to prove that I was a human to send off a submission on a
website and that was their question and answer.

Anyone else agree that the answer is four and not 4?

If those are strings rather than numbers then + is the concatenation
operator and the result is twotwo

That too.
--
bert