A plane flew 2,700 kilometers from 10:30 am to 2:30 pm. How many kilometers per hour does the plane fly on average?
一架飞机从上午10：30开始飞行至下午2：30，共飞行了2700千米．这架飞机平均每小时飞行多少千米？
<gadget id="calculator">2_700 / 4</gadget>
<output>675</output>

<result>675</result>