A car travels 375 kilometers in 5 hours, and an airplane travels 1,800 kilometers in 4 hours. How many times is the speed of the airplane per hour faster than the speed of the car?
汽车5小时行驶375千米，飞机4小时行驶1800千米，飞机时速是汽车时速的多少倍？
<gadget id="calculator">1_800 / 4</gadget>
<output>450</output>

<gadget id="calculator">375 / 5</gadget>
<output>75</output>

<gadget id="calculator">450 / 75</gadget>
<output>6</output>

<result>6</result>