128 people from 4 classes of the third grade went to visit the source of the Pearl River. If the number of people in each class is the same, how many groups can each class be divided into?
三年级4个班128人去游览珠江源．如果每班人数相同，每8人一组，每班可以分成几组？
<gadget id="calculator">128 / 4 / 8</gadget>
<output>4</output>

<result>4</result>