The distance between A and B is 2700 km. A plane takes off from A at 11:00 am and arrives at B at 2:00 pm. How many kilometers per hour does the plane fly on average?
甲、乙两地相距2700千米．一架飞机上午11时从甲地起飞，下午2时到达乙地．这架飞机平均每小时飞行多少千米？
<gadget id="calculator">14 - 11</gadget>
<output>3</output>

<gadget id="calculator">2_700 / 3</gadget>
<output>900</output>

<result>900</result>