A train is 180 meters long and passes a bridge at a speed of 1.3 kilometers per minute. It is known that it takes 0.8 minutes from the front of the vehicle to the bridge to the rear of the vehicle. How long is the bridge?
一列火车长180米，以每分钟1.3千米的速度通过一座大桥．已知从车头上桥到车尾离桥共用了0.8分钟，这座桥长多少米？
<gadget id="calculator">1.3 * 1_000</gadget>
<output>1_300</output>

<gadget id="calculator">0.8 * 1_300</gadget>
<output>1_040</output>

<gadget id="calculator">1_040 - 180</gadget>
<output>860</output>

<result>860</result>