The whole journey from Jinan to Qingdao is 360 kilometers. A bus departs from Jinan at 10:00 in the morning and arrives in Qingdao at 2:00 in the afternoon. How many kilometers per hour does this bus travel on average?
济南到青岛全程360千米，一辆客车上午10：00从济南出发，下午2：00到达青岛．这辆客车平均每小时行驶多少千米？
<gadget id="calculator">360 / 4</gadget>
<output>90</output>

<result>90</result>