There are some interest groups in the school, among which the art group has 35 people, 5 people less than the painting group, and the chorus group has twice the combined number of art group and painting group. How many people are there in the chorus?
学校有一些兴趣小组，其中美术组有35人，比绘画兴趣小组少5人，合唱组的人数是美术组和绘画组人数之和的2倍．合唱组有多少人？
<gadget id="calculator">35 + 5 + 35</gadget>
<output>75</output>

<gadget id="calculator">75 * 2</gadget>
<output>150</output>

<result>150</result>