On a map with a scale of 1:9000000, the distance between A and B is 11 cm. How many hours does it take for an airplane to fly from A to B at a speed of 600 kilometers per hour?
在一幅比例尽是1：9000000的地图上，量得甲乙两地的距离是11厘米，一架飞机以每小时600千米的速度从甲地飞到乙地，需要多少小时？
<gadget id="calculator">9_000_000 / 100_000 / 600</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">11 * (3/20)</gadget>
<output>33/20 = around 1.65</output>

<result>33/20 = around 1.65</result>