A and B are traveling towards each other from two places A and B at the same time. They meet for the first time at a place 48 kilometers away from A. After meeting, the two cars continue to move forward at the original speed. They met for the second time at 96 kilometers from A. Find the distance between AB and AB.
甲乙两人同时从AB两地相向而行，在离A地48千米的地方第一次相遇，相遇后两车继续以原来的速度前进，到达目的地后，立即沿原路返回，在离A地96千米的地方第二次相遇．求AB两地的距离．
<gadget id="calculator">48 * 3</gadget>
<output>144</output>

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

<gadget id="calculator">240 / 2</gadget>
<output>120</output>

<result>120</result>