A and B travel from A to B at 7 am. A is 8 kilometers faster than B per hour. A arrives at B at 11 am and returns immediately. He meets B at a distance of 24 kilometers from B. How many kilometers apart?
甲乙两人上午7时从A地到B地，甲每小时比乙快8千米，上午11时甲到达B地后立即返回，在距B地24千米处与乙相遇，求AB两地相距多少千米？
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">24 * (1/4)</gadget>
<output>6</output>

<gadget id="calculator">11 - 7</gadget>
<output>4</output>

<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>