A car leaves station A at 8:30 am and arrives at station B at 3:00 pm the next day. It is known that the distance between station A and station B is 1220 kilometers. How many kilometers does this car travel on average per hour?
一辆汽车早上8：30从甲站开出，到第二天下午3：00到达乙站，已知甲乙两站相距1220千米，这辆汽车平均每小时行多少千米．
<gadget id="calculator">1_220 / 30.5</gadget>
<output>40</output>

<result>40</result>