Lili reads a 256-page story book, and read 80 pages in the first 5 days. Based on this calculation, how many days will it take to finish the book? (Solve with ratio)
丽丽看一本256页的故事书，前5天看了80页，照这样计算，看完这本书还要多少天？(用比例解)
<gadget id="calculator">256 - 80</gadget>
<output>176</output>

<gadget id="calculator">176 * 5</gadget>
<output>880</output>

<gadget id="calculator">880 / 80</gadget>
<output>11</output>

<result>11</result>