In the twelfth elementary school sports meeting, there were 540 people participating in the ball game, and the number of people participating in the track and field competition was less than the number of people participating in the ball game (1/9). How many people participated in the track and field competition?
第十二届小学生运动会上，参加球类比赛的有540人，参加田径比赛的人数比参加球类比赛的人数少(1/9)，参加田径比赛的有多少人？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">540 * (8/9)</gadget>
<output>480</output>

<result>480</result>