Xiao Pang and Xiao Ding Ding mobilized children to donate books to support elementary schools in mountainous areas, and received a total of 280 books. If each class is divided into 40 books, how many classes can it be divided into?
小胖和小丁丁发动小朋友捐书支援山区小学，共收到280本图书．如果每个班分到40本，可以分到多少个班？
<gadget id="calculator">280 / 40</gadget>
<output>7</output>

<result>7</result>