The distance between the two places is 760 kilometers. There are two trains coming from the two places at the same time. The first train travels 72 kilometers per hour, and the second train travels 54 kilometers per hour. A pigeon starts with the second train and flies towards the first train at a speed of 80 kilometers per hour. When the pigeon meets the first train, how many kilometers is the first train from its destination?
两地之间的路程是760千米，有两列火车同时从两地相向开来，第一列火车每小时行72千米，第二列火车每小时行54千米．一只鸽子以每小时80千米的速度和第二列火车一起出发向第一列火车飞去．当鸽子与第一列火车相遇时，第一列火车距目的地还有多少千米？
<gadget id="calculator">72 + 80</gadget>
<output>152</output>

<gadget id="calculator">760 / 152</gadget>
<output>5</output>

<gadget id="calculator">5 * 72</gadget>
<output>360</output>

<gadget id="calculator">760 - 360</gadget>
<output>400</output>

<result>400</result>