Students participate in the school's interest group activities. There are 38 people in the singing group and 22 in the dancing group. Among them, 14 people participate in both events. How many students participate in the interest group activities?
学生参加学校的兴趣小组活动，有38人参加唱歌小组，有22人参加跳舞小组，其中有14人两个项目都参加，参加兴趣小组活动的学生共有多少人．
<gadget id="calculator">22 - 14</gadget>
<output>8</output>

<gadget id="calculator">38 + 8</gadget>
<output>46</output>

<result>46</result>