The school painting interest group has 28 boys and 24 girls. The number of people in the chorus is three times the number of people in the painting, how many people are there in the chorus?
学校绘画兴趣小组有男生28人，女生24人．合唱队的人数是绘画人数的3倍，合唱队有多少人？
<gadget id="calculator">28 + 24</gadget>
<output>52</output>

<gadget id="calculator">52 * 3</gadget>
<output>156</output>

<result>156</result>