On a map with a scale of 1:6000000, the distance between A and B is 25 centimeters. A plane flies from A to B at 9:50 am and arrives at 10:45 am. The plane flies every hour How many kilometers?
在比例尺是1：6000000的地图上，量得AB两地的距离是25厘米，一架飞机上午9点5分从A地飞往B地，上午10点45分到达，这架飞机每小时飞行多少千米？
<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">25 / (1/6_000_000) / 100_000 / (5/3)</gadget>
<output>900</output>

<result>900</result>