Beibei went to the swimming pool to swim. She swam 3 times back and forth in the swimming lane, and swam a total of 480 meters. How long are the lanes in this swimming pool?
贝贝去游泳池游泳，她在泳道上游了3个来回，一共游了480米．这个游泳池的泳道有多长？
<gadget id="calculator">480 / 3 / 2</gadget>
<output>80</output>

<result>80</result>