There are 35 boys and 37 girls in the second class of the fourth grade. For each group of 6 people to participate in labor, how many groups should be divided into total?
四年级二班有男生35人，女生37人．每6人一组去参加劳动，一共要分多少组？
<gadget id="calculator">35 + 37</gadget>
<output>72</output>

<gadget id="calculator">72 / 6</gadget>
<output>12</output>

<result>12</result>