Uncle Wang rides a bicycle at a speed of 18 kilometers per hour, and it takes him 6 hours to travel from point A to point B. If it takes 2 hours to change to a car, how many kilometers per hour will the car travel?
王叔叔骑自行车的速度是每小时18千米，他从甲地到乙地需要6小时．如果改乘汽车要2小时，汽车每小时行多少千米？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<result>54</result>