Li Ming read a story book and read 115 pages in 5 days. At this rate, how many days will it take to read the remaining 207 pages?
李明看一本故事书，5天看了115页．照这样的速度，剩下的207页，还要多少天才能看完？
<gadget id="calculator">115 / 5</gadget>
<output>23</output>

<gadget id="calculator">207 / 23</gadget>
<output>9</output>

<result>9</result>