Six times seven (5-3)
I believe the answer is:
forty-two
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">six times seven</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for forty-two that I've seen before include "Douglas Adams' numerical Answer to Life, The Universe and Everything" , "Three fourteens" , "The answer to the Ultimate Question of Life, the Universe, and Everything (Hitchhikers Guide to the Galaxy)" .)