After a car drives from City A to City B at a speed of 45 km/h, it immediately turns around and returns to City A at a speed of 60 km/h. It takes 5 (3/5) hours in total. How many miles is the distance between city A and city B?
一辆汽车以45千米/时的速度从甲城开往乙城后，立即掉头，以60千米/时的速度原路返回甲城，一共用了5(3/5)小时．甲城、乙两城相距多少千米？
<gadget id="calculator">45 * 3.2</gadget>
<output>144</output>

<result>144</result>