Fred had 236 dollars to spend on 6 books. After buying them, he had 14 dollars. On average, how much did each book cost?
Fred spent $236 - $14 = $
<gadget id="calculator">236-14</gadget>
<output>222</output>
222 on books.
The cost per book is $222 / 6 books = $
<gadget id="calculator">222/6</gadget>
<output>37</output>
37.

<result>37</result>