Xiaohong swam up and down the swimming lane for 3 times, a total of 150 meters. How long is the swimming lane in this swimming pool?
小红在泳道上游了3个来回，一共是150米，这个游泳池的泳道有多长？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">150 / 6</gadget>
<output>25</output>

<result>25</result>