A car travels 70 kilometers per hour, and the road from point A to point B is 840 kilometers long. How long does it take for this car to travel from point A to point B?
一辆汽车每时行驶70千米，从A地到B地的公路长840千米，这辆汽车从A地行驶到B地，需要行驶多长时间？
<gadget id="calculator">840 / 70</gadget>
<output>12</output>

<result>12</result>