Tongtong went to the swimming pool to swim. She swam 4 rounds in the swimming lane, and swam a total of 560 meters. How long are the lanes in this swimming pool?
彤彤去游泳池游泳，她在泳道上游了4个来回，一共游了560米．这个游泳池的泳道有多长？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">560 / 8</gadget>
<output>70</output>

<result>70</result>