Two cars A and B leave the station in opposite directions at the same time. After 8 hours, the distance between A and B is 920 kilometers. It is known that A travels 55 kilometers per hour. How many kilometers does B travel per hour?
甲乙两辆汽车同时从车站向相反方向开出，8小时后，甲车与乙车相距920千米，已知甲车每小时行55千米，乙车每小时行多少千米？
<gadget id="calculator">920 / 8</gadget>
<output>115</output>

<gadget id="calculator">115 - 55</gadget>
<output>60</output>

<result>60</result>