The distance between the two places is 840 km. Two cars A and B drive from two places at the same time, drive toward each other, and meet each other in 5.6 hours. Car A travels 87.5 kilometers per hour, how many kilometers per hour does Car B travel?
两地间的路程是840千米．甲乙两辆汽车同时从两地开出，相向而行，5.6小时相遇．甲车每小时行87.5千米，乙车每小时行多少千米？
<gadget id="calculator">840 / 5.6</gadget>
<output>150</output>

<gadget id="calculator">150 - 87.5</gadget>
<output>62.5</output>

<result>62.5</result>