Hi there! So I think you're asking for 6 x 7. That's 42.
6 + 6 + 6 + 6 + 6 + 6 + 6
That's 6, written seven times.
7 + 7 + 7 + 7 + 7 + 7
That's 7, written six times.
Solving these, both are 42. You can use this method if you're ever needing to do a quick problem. Then you'll just memorize it! :D