The third-grade students went to work on the farm. There were 80 girls and 84 boys. They were divided into groups of 4. How many groups can they be divided into?
三年级学生去农场劳动，女生去了80人，男生去了84人，4人分一组，一共可以分多少组？
<gadget id="calculator">80 + 84</gadget>
<output>164</output>

<gadget id="calculator">164 / 4</gadget>
<output>41</output>

<result>41</result>