In the fifth grade, 200 people participated in the interest group, and 35% of them participated in the aircraft model group. How many people participated in the aircraft model group?
五年级有200人参加兴趣小组，其中35%参加了航模组，参加航模组的有多少人？
<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">200 * (7/20)</gadget>
<output>70</output>

<result>70</result>