There are 28 female students and 27 male students in the children's palace band. The number of chorus is four times that of the band. How many people are there in the chorus?
少年宫乐队有女同学28人，男同学有27人，合唱队人数是乐队人数的4倍，合唱队有多少人？
<gadget id="calculator">28 + 27</gadget>
<output>55</output>

<gadget id="calculator">55 * 4</gadget>
<output>220</output>

<result>220</result>