A car travels from city A to city B at a speed of 48 km/h. After driving for 12 hours, it is still 224 kilometers away from city B. How many kilometers is the distance from city A to city B?
一辆汽车，从从甲城去乙城，汽车速度是48千米/小时，行了12小时后离乙城还有224千米，甲城到乙城的距离是多少千米？
<gadget id="calculator">48 * 12</gadget>
<output>576</output>

<gadget id="calculator">576 + 224</gadget>
<output>800</output>

<result>800</result>