A plane flies from Xiamen to Qingdao at 10:30 in the morning and arrives at Qingdao Airport at 1:30 in the afternoon. It is known that the flight distance from Xiamen to Qingdao is 2250 kilometers. How many kilometers does this plane fly on average per hour?
一架飞机上午10：30从厦门飞往青岛，下午1：30到达青岛机场，已知厦门到青岛的航程是2250千米，问这架飞机平均每小时飞行多少千米？
<gadget id="calculator">2_250 / 3</gadget>
<output>750</output>

<result>750</result>