A car travels 120 kilometers per hour, and a passenger car travels 400 kilometers in 5 hours. Which kind of car travels faster and how much faster?
小轿车每小时行120千米，客车5小时行驶400千米，哪一种车行驶得快，快多少？
<gadget id="calculator">400 / 5</gadget>
<output>80</output>

<gadget id="calculator">120 - 80</gadget>
<output>40</output>

<result>40</result>