There are 636 pages in a book of fairy tales, 156 pages have already been read, and the remaining pages are read 32 pages a day, how many days will it take to finish reading?
一本童话故事书有636页，明明已经读了156页，剩下的每天读32页，还要几天才能读完？
<gadget id="calculator">636 - 156</gadget>
<output>480</output>

<gadget id="calculator">480 / 32</gadget>
<output>15</output>

<result>15</result>