Xiaohong swam 3 back and forth in the swimming pool for a total of 150 meters. How long is the lane in the swimming pool?
小红在游泳池中游了3个来回共游了150米，游泳池的泳道长多少米？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

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

<result>25</result>