Essentially what I did do is I take the 4 quarters and I divide it into 2 equal groups. And that's what division is. We cut up this group of quarters into 2 ...
You can almost put a 0 there if you like. And 90 with the remainder-- And 91 minus 70 is 21. So 7 goes into 91 ten times remainder 21. And then you say 7 goes ...