A wheel with a diameter of 1.2 meters needs to rotate 500 times to pass through a bridge. How long is the bridge?
一个直径是1.2米的车轮通过一座桥需转500圈，这座桥长多少米？
<gadget id="calculator">3.14 * 1.2 * 500</gadget>
<output>1_884</output>

<result>1_884</result>