The distance from Quzhou to Beijing is about 1897 kilometers. A high-speed train departs from Quzhou at 8:29 and arrives in Beijing at about 15:29. What is the speed of the high-speed rail in kilometers per hour?
衢州至北京的路程约1897千米，一列高铁8：29从衢州出发，大约15：29到达北京．高铁的速度是多少千米/时？
<gadget id="calculator">1_897 / 7</gadget>
<output>271</output>

<result>271</result>