The 9 students in the Lei Feng group of the 4th 1st Squadron did a total of 378 good deeds in the first half of the year. How many good deeds do each student do per month on average?
四1中队学雷锋小组9位同学，上半年共做好事378件，平均每位同学每月做好事多少件？
<gadget id="calculator">378 / 6 / 9</gadget>
<output>7</output>

<result>7</result>