The distance between A and B is 240 kilometers. A bus departs from A at 9:30 am and arrives at B at 1:30 pm. How many kilometers does the bus travel per hour?
甲乙两地相距240千米，一辆客车上午9时30分从甲地出发，下午1时30分到乙地，客车每小时行多少千米？
<gadget id="calculator">240 / 4</gadget>
<output>60</output>

<result>60</result>