Jack has a stack of books that is 12 inches thick. He knows from experience that 80 pages is one inch thick. If he has 6 books, how many pages is each one on average?
There are 960 pages because 80 x 12 = 
<gadget id="calculator">80*12</gadget>
<output>960</output>
960.
Each book is 160 pages because 960 / 6 = 
<gadget id="calculator">960/6</gadget>
<output>160</output>
160.

<result>160</result>