The Children's Palace band has 18 girls and 7 boys. The number of chorus is three times that of the band, how many people are there in the chorus?
少年宫乐队有女生18人，男生7人．合唱队的人数是乐队的3倍，合唱队有多少人？
<gadget id="calculator">18 + 7</gadget>
<output>25</output>

<gadget id="calculator">25 * 3</gadget>
<output>75</output>

<result>75</result>