Li Ming has a 245-page story book. Read 24 pages a day for the first 5 days, then read 25 pages a day, how many days will it take to finish this book?
李明有一本245页的故事书．前5天每天看24页，以后每天看25页，再用几天就可以看完这本书？
<gadget id="calculator">24 * 5</gadget>
<output>120</output>

<gadget id="calculator">245 - 120</gadget>
<output>125</output>

<gadget id="calculator">125 / 25</gadget>
<output>5</output>

<result>5</result>