From city A to city B, car A takes 6 hours, and from city B to city A, car B takes 4 hours. Now two cars, A and B, start from A and B at the same time and drive towards each other. When they meet, A and B drive 96 kilometers. How far is the distance between A and B?
从A城到B城，甲汽车用6小时，从B城到A城，乙汽车用4小时．现在甲乙两车分别从A、B两城同时出发相对而行，相遇时甲汽车行驶了96千米，A、B两城相距多远？
<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">96 / (2/3)</gadget>
<output>144</output>

<gadget id="calculator">96 + 144</gadget>
<output>240</output>

<result>240</result>