Two trains, A and B, depart from A and B oppositely at the same time. Train A travels 45 kilometers per hour. After 5 hours, it meets train B. When it meets, train B travels 35 kilometers longer than train A. How many kilometers are there between A and B?
甲乙两列火车同时从A、B两站相对开出，甲车每小时行45千米，5小时后与乙车相遇，相遇时乙车比甲车多行35千米．A、B两站相距多少千米？
<gadget id="calculator">45 * 5</gadget>
<output>225</output>

<gadget id="calculator">225 + 35 + 225</gadget>
<output>485</output>

<result>485</result>