A total of 738 kilometers from A to B, a car travels 246 kilometers in 3 hours. According to this calculation, how many hours will it take for the car to reach B?
从甲地到乙地共738千米，一辆汽车3小时行了246千米．照这样计算，这辆汽车还要行几小时才能到达乙地？
<gadget id="calculator">738 - 246</gadget>
<output>492</output>

<gadget id="calculator">246 / 3</gadget>
<output>82</output>

<gadget id="calculator">492 / 82</gadget>
<output>6</output>

<result>6</result>