The road between A and B is 214.5km long. A passenger car travels 65km per hour, and a truck travels 55km per hour. How many hours will it take for a truck to complete the journey?
甲乙两地公路长214.5km，一辆客车每小时行65km，一辆货车每小时行55km，行完全程货车比客车多用多少小时？
<gadget id="calculator">3.9 - 3.3</gadget>
<output>0.6</output>

<result>0.6</result>