Uncle Li's home is 510 meters away from the cultural square. He insists on walking to the cultural square every morning and evening, and walks back and forth twice a day. How many meters does Uncle Li walk every day?
李伯伯家距文化广场510米，他每天早晚都坚持散步到文化广场，每天行走2个来回，李伯伯每天行走多少米？
<gadget id="calculator">2 * 2 * 510</gadget>
<output>2_040</output>

<result>2_040</result>