Dan spent $32 buying a new backpack, 1 pack of pens, 1 pack of pencils and 5 multi-subject notebooks for school.  If the backpack costs $15 and both the pens and pencils cost $1.00 each, how much did each notebook cost?
The pens and pencils were $1.00 each so 2*1 = $
<gadget id="calculator">2*1</gadget>
<output>2</output>
2.00.
The back pack cost $15 and the pens/pencils cost $2.00 so 15+2 = $
<gadget id="calculator">15+2</gadget>
<output>17</output>
17.00.
His total spent was $32 and he has already spend $17 so 32-17 = $
<gadget id="calculator">32-17</gadget>
<output>15</output>
15.00.
That means he has $15 left to spend on 5 notebooks so the cost would be 15/5 = $
<gadget id="calculator">15/5</gadget>
<output>3</output>
3.00 each.

<result>3</result>