A highway is 432 kilometers long, and it takes 4.5 hours for a passenger car to complete the journey; and 5.4 hours for a truck to complete the journey. How much faster are passenger cars than trucks?
一条高速公路长432千米，一辆客车4.5小时行完全程；一辆货车5.4小时行完全程．客车的速度比货车快多少？
<gadget id="calculator">432 / 4.5</gadget>
<output>96</output>

<gadget id="calculator">432 / 5.4</gadget>
<output>80</output>

<gadget id="calculator">96 - 80</gadget>
<output>16</output>

<result>16</result>