passenger train and a freight train depart from two places at the same time and meet at a certain station after 18 hours. It is known that the passenger train travels 50 kilometers per hour, and the freight train travels 8 kilometers less than the passenger train per hour. Ask the total length of the railway between the two places How many kilometers?
一列客车和一列货车从两地同时相向开出，经过18小时在某站相遇，已知客车每小时行50千米，货车每小时比客车少行8千米，问两地间的铁路全长多少千米？
<gadget id="calculator">50 - 8</gadget>
<output>42</output>

<gadget id="calculator">42 + 50</gadget>
<output>92</output>

<gadget id="calculator">92 * 18</gadget>
<output>1_656</output>

<result>1_656</result>