There are 63 people in the chorus of the Children's Palace, and the number of chorus is 13 less than that of the dance troupe. How many people are there in the dance troupe?
少年宫合唱团有63人，合唱团的人数比舞蹈团的4倍少13人，舞蹈团有多少人？
<gadget id="calculator">63 + 13</gadget>
<output>76</output>

<gadget id="calculator">76 / 4</gadget>
<output>19</output>

<result>19</result>