A and B are walking towards each other from two places A and B at the same time, and meet for the first time at a distance of 60 meters from A. After meeting, they continue to drive at the same speed, and return immediately after reaching the starting point of the other party. On the way, the two met at a distance of 20 meters from place B. How many meters were the places where the two met?
甲、乙两人分别从A、B两地同时相向而行，在距A地60米处第一次相遇，相遇后两人仍按原速继续行驶，并且在各自到达对方的出发点后立即返回，途中两人在距乙地20米处相遇，两次相遇的地点相距多少米？
<gadget id="calculator">60 * 3</gadget>
<output>180</output>

<gadget id="calculator">180 - 20 - 60 - 20</gadget>
<output>80</output>

<result>80</result>