Xiao Ming and Xiao Hong ride bicycles from City A to City B at the same time. Xiao Ming travels 12 kilometers per hour, and Xiao Hong travels 9 kilometers per hour. Xiao Ming stops for 2 hours for repairs due to a car breakdown on the way, so he is 0.5 hours later than Xiao Hong. , Ask: How many kilometers is the distance between A and B?
小明和小红两人同时骑自行车由甲城去乙城，小明每小时行12千米，小红每小时行9千米，小明途中因车坏停车修理2小时，因此比小红迟到0.5小时，问：甲、乙两城相距多少千米？
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<result>54</result>