Cars A and B are traveling toward each other from places A and B at the same time, and meet for the first time at a distance of 60 kilometers from place A. They return immediately after arriving at the starting point of the other party, and meet again at a distance of 40 kilometers from point A on the way. What is the distance between A and B in miles?
甲、乙两车同时从A、B两地相向而行，在距A地60千米处第一次相遇．各自到达对方出发地后立即返回，途中又在距A地40千米处相遇．A、B两地相距多少千米．
<gadget id="calculator">60 * 3</gadget>
<output>180</output>

<gadget id="calculator">180 + 40</gadget>
<output>220</output>

<gadget id="calculator">220 / 2</gadget>
<output>110</output>

<result>110</result>