Two sisters go to the movies.  Movie tickets are $8 per person.  If the sisters brought $25 with them, how much change will they receive after buying the tickets?
Movie tickets cost for two people is $8 x 2 = $
<gadget id="calculator">8*2</gadget>
<output>16</output>
16.
The sisters will receive change of $25 - $16 = $
<gadget id="calculator">25-16</gadget>
<output>9</output>
9.

<result>9</result>