James buys 2 notebooks with 50 pages each.  He pays $5.  How many cents did each page cost?
He bought 2*50=
<gadget id="calculator">2*50</gadget>
<output>100</output>
100 pages.
It cost 5*100=
<gadget id="calculator">5*100</gadget>
<output>500</output>
500 cents.
So he spent 500/100=
<gadget id="calculator">500/100</gadget>
<output>5</output>
5 cents per page.

<result>5</result>