A train departs from Beijing at 13:10 and arrives at Jinan at 16:10. It travels a total of 495 kilometers. How many kilometers does it travel on average per hour?
一列火车13：10分从北京出发，16：10到济南，一共行驶495千米，平均每小时行驶多少千米？
<gadget id="calculator">495 / 3</gadget>
<output>165</output>

<result>165</result>