The distance between A and B is 560 km. Two trains depart from cities A and B at the same time and meet each other 3.5 hours later. Car A travels 85 kilometers per hour, how many kilometers per hour does Car B travel?
甲、乙两城相距560千米．两列火车同时从甲、乙两城相对开出，3.5小时后相遇．甲车每小时行85千米，乙车每小时行多少千米？
<gadget id="calculator">560 / 3.5</gadget>
<output>160</output>

<gadget id="calculator">160 - 85</gadget>
<output>75</output>

<result>75</result>