The third grade students are going to plant trees. There are 78 girls and 86 boys. 4 students are divided into groups. How many groups can they be divided into?
三年级的学生去植树，女生有78人，男生有86人，4名学生分成一组，一共可以分多少组？
<gadget id="calculator">78 + 86</gadget>
<output>164</output>

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

<result>41</result>