There are 19 boys in the school chorus and 29 girls. The number of chorus is four times that of the band. How many people are there in the band?
学校合唱队有男生19人，女生29人，合唱队的人数是乐队人数的4倍，乐队有多少人？
<gadget id="calculator">19 + 29</gadget>
<output>48</output>

<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<result>12</result>