An express train travels from station A to station B, traveling 65 kilometers per hour, and a slow train travels from station B to station A at the same time, traveling 60 kilometers per hour, and the express train travels 10 kilometers longer than the slow train when they meet. How many hours did the two cars travel?
一列快车从甲站开往乙站，每小时行驶65千米，一列慢车同时从乙站开往甲站，每小时行驶60千米，相遇时快车比慢车多行驶10千米．两车行驶的时间为几小时？
<gadget id="calculator">65 - 60</gadget>
<output>5</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<result>2</result>