Xiaoyan read a 162-page book, and read 54 pages in 3 days. How many days can I finish it?
小研看一本162页的书，3天看了54页，问多少天能看完？
<gadget id="calculator">54 / 3</gadget>
<output>18</output>

<gadget id="calculator">162 / 18</gadget>
<output>9</output>

<result>9</result>