The railway from Nanjing to Lianyungang is 568 kilometers long. Two trains depart from the two places at the same time. The train from Lianyungang travels 154 kilometers per hour, and the train from Nanjing travels 130 kilometers per hour. After how many hours did we meet?
从南京到连云港的铁路长568千米，两列火车从两地同时相对开出，从连云港开出的火车每小时行驶154千米，从南京开出的火车每小时行驶130千米，两车经过几小时相遇？
<gadget id="calculator">154 + 130</gadget>
<output>284</output>

<gadget id="calculator">568 / 284</gadget>
<output>2</output>

<result>2</result>