The third-grade students of Seoul International Primary School went to participate in voluntary labor. 36 students went to Class 3 1, and 32 students went to Class 3 2. Each group consists of 2 people. How many groups can they be divided into?
汉城国际小学三年级学生去参加义务劳动，三1班去了36人，三2班去了32人，每2人为一组，一共可以分多少组？
<gadget id="calculator">36 + 32</gadget>
<output>68</output>

<gadget id="calculator">68 / 2</gadget>
<output>34</output>

<result>34</result>