The railway from Nanjing to Lianyungang is 568 kilometers long. Two trains depart from the two places at the same time. After 2 hours of meeting, the train from Lianyungang travels 154 kilometers per hour. How much does the train from Nanjing travel per hour? km?
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，经过2小时相遇，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多少千米？
<gadget id="calculator">2 * 154</gadget>
<output>308</output>

<gadget id="calculator">568 - 308</gadget>
<output>260</output>

<gadget id="calculator">260 / 2</gadget>
<output>130</output>

<result>130</result>