Xiaoli reads a 168-page story book, and she reads 96 pages in the first 4 days. According to this calculation, how many days will it take to finish the book?
小丽读一本168页的故事书，前4天读了96页，照这样计算，看完这本书共需多少天？
<gadget id="calculator">96 / 4</gadget>
<output>24</output>

<gadget id="calculator">168 / 24</gadget>
<output>7</output>

<result>7</result>