Third grade students participate in extracurricular activities, the number of people who play games is 2 times more than the number of people who play ball games, and the number of people who play games is 38 more than those who play ball games. How many people play ball games?
三年级学生参加课外活动，做游戏的人数比打球的人数的3倍多2人，游戏的人数比打球的多38人，打球的有多少人．
<gadget id="calculator">38 - 2</gadget>
<output>36</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<result>18</result>