The plane departs from Hainan at 11 am and arrives in Beijing at 2 pm, traveling an average of 800 kilometers per hour. How many kilometers is the flight distance from Hainan to Beijing?
飞机上午11时从海南出发，下午2时到达北京，平均每小时行800千米，飞机从海南到北京的飞行距离是多少千米？
<gadget id="calculator">3 * 800</gadget>
<output>2_400</output>

<result>2_400</result>