Two trains, A and B, depart from two stations at the same time. Car A travels 52 kilometers per hour. It meets train B in 4 hours. When it meets, train B travels 80 kilometers longer than train A. How many kilometers are the distance between these two stations?
甲乙两列火车同时从两站相对开出，甲车每小时行52千米，4小时与乙车相遇，相遇时乙车比甲车多行80千米，这两站相距多少千米？
<gadget id="calculator">52 * 4 * 2</gadget>
<output>416</output>

<gadget id="calculator">416 + 80</gadget>
<output>496</output>

<result>496</result>