http://c5febborw3avzp5gobl6nvbbwflkjrfigqbm7z3i4czxu3bjrc5hsqad.onion/library/Fiction/Isaac%20Asimov%20-%20The%20Feeling%20Of%20Power.html
Shuman said, "If you will accept his work for the moment, we
can leave the details for the mathematicians." Brant subsided. Aub said, "Three plus two makes five, you see, so the twenty-
one becomes a fifty-one. Now you let that go for a while and start
fresh. You multiply seven and two, that's fourteen, and one and two,
that's two.