There are 39 students in the first class of the third grade and 41 students in the second class. Every 8 students are divided into groups. How many groups are divided into?
三年级一班39人，二班41人，每8人分成一组，一共分成了多少组？
<gadget id="calculator">39 + 41</gadget>
<output>80</output>

<gadget id="calculator">80 / 8</gadget>
<output>10</output>

<result>10</result>