If it takes 6 hours for a passenger car to travel from point A to point B, how many hours will it take for a car to travel from point A to point B at 1.5 times the speed of the passenger car?
一辆客车从A地到B地用了6小时，一辆小轿车以客车速度的1.5倍从A地到B地要用多少小时．
<gadget id="calculator">6 / 1.5</gadget>
<output>4</output>

<result>4</result>