The car travels 45 kilometers per hour, the speed of the train is 2.8 times the speed of the car, and the speed of the plane is 7.5 times the speed of the train. How many kilometers does the plane fly per hour?
汽车每小时行45千米，火车的速度是汽车速度的2.8倍，飞机的速度是火车速度的7.5倍，飞机每小时飞行多少千米？
<gadget id="calculator">45 * 2.8 * 7.5</gadget>
<output>945</output>

<result>945</result>