>“Son, in my time I could multiply two three-digit numbers in my head.” “Dad, you talk funny.” "We" probably doesn't cover a huge segment of the population. I

>“Son, in my time I could multiply two three-digit numbers in my head.” “Dad, you talk funny.” "We" probably doesn't cover a huge segment of the population. I know in my case, the "RAM" I have disposable for that sort of thing is around 3 numbers, not more.