A car can travel 120 kilometers per hour, and the distance traveled by an airplane per hour is 8 times that of a car. How many kilometers more can an airplane travel per hour than a car?
一辆汽车每小时能行120千米，飞机每小时行驶的路程是汽车的8倍，飞机每小时比汽车多行多少千米？
<gadget id="calculator">120 * 8</gadget>
<output>960</output>

<gadget id="calculator">960 - 120</gadget>
<output>840</output>

<result>840</result>