Uncle Wang went to swim in the swimming pool. He swam 4 back and forth in the swimming lane, and swam a total of 600 meters. How long is the swimming lane in this swimming pool?
王伯伯去游泳池游泳，他在泳道内游了4个来回，共游了600米，这个游泳池的泳道有多长？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">600 / 8</gadget>
<output>75</output>

<result>75</result>