There are 124 students in the art class of the Children's Palace, and the number of students in the dance class is twice that of the art class. How many students are there in the art class and the dance class?
少年宫美术班有124名学员，舞蹈班的学员人数是美术班的2倍，美术班和舞蹈班一共有多少名学员？
<gadget id="calculator">124 * 2</gadget>
<output>248</output>

<gadget id="calculator">248 + 124</gadget>
<output>372</output>

<result>372</result>