Station A and Station B are 255 kilometers apart. A passenger train departs from Station A and a freight train departs from Station B. They meet after 2.5 hours. The passenger car travels 48 kilometers per hour, how many kilometers per hour does the truck travel?
甲乙两站相距255千米，一列客车从甲站开出，一列货车从乙站开出，2.5小时后相遇．客车每小时行48千米，货车每小时行多少千米？
<gadget id="calculator">255 / 2.5</gadget>
<output>102</output>

<gadget id="calculator">102 - 48</gadget>
<output>54</output>

<result>54</result>