Xiaoqiang went to the library on foot, and Xiaogang went to the library by car. A car travels 66 kilometers per hour more than walking, and the speed of the car is 12 times that of walking. How many kilometers per hour does the car travel?
小强步行去图书馆，小刚乘汽车到图书馆．汽车每小时比步行多行66千米，汽车的速度是步行的12倍，汽车每小时行多少千米？
<gadget id="calculator">12 - 1</gadget>
<output>11</output>

<gadget id="calculator">66 / 11</gadget>
<output>6</output>

<gadget id="calculator">6 + 66</gadget>
<output>72</output>

<result>72</result>