There are 5 people participating in gymnastics training, 6 times as many people participating in basketball training as gymnastics, and 7 times as many people participating in long-distance running training as basketball training. How many people are participating in long-distance running?
参加体操训练的有5人，参加篮球训练的是体操人数的6倍，参加长跑训练的人数是参加篮球训练人数的7倍，参加长跑的有多少人？
<gadget id="calculator">5 * 6 * 7</gadget>
<output>210</output>

<result>210</result>