The distance between A and B is 540 kilometers. A car travels 180 kilometers from A to B in 3 hours. At this speed, how long will it take for the car to reach B?
甲乙两地相距540千米，一辆汽车从甲地开往乙地，3小时行驶了180千米，照这样的速度，这辆汽车还需要多少时间就能到达乙地？
<gadget id="calculator">540 - 180</gadget>
<output>360</output>

<gadget id="calculator">180 / 3</gadget>
<output>60</output>

<gadget id="calculator">360 / 60</gadget>
<output>6</output>

<result>6</result>