The school dance team has 19 boys and 35 girls. The sum of the number of boys and girls is exactly twice the number of the drum team. How many people are there in the drum team?
学校舞蹈队有男生19人，女生35人男女生人数之和正好是鼓号队人数的2倍，鼓号队有多少人？
<gadget id="calculator">19 + 35</gadget>
<output>54</output>

<gadget id="calculator">54 / 2</gadget>
<output>27</output>

<result>27</result>