For Halloween Sarah received 66 pieces of candy from neighbors and 15 pieces from her older sister. If she only ate 9 pieces a day, how long would the candy last her?
<gadget id="calculator">66 + 15</gadget>
<output>81</output>

<gadget id="calculator">81 / 9</gadget>
<output>9</output>

<result>9</result>