Cars A and B leave opposite each other from AB at the same time. After the first meeting, the two vehicles continue to drive, and return immediately after arriving at the starting point of the other party. The distance from B at the second meeting is 1/5 of the whole journey of AB. It is known that car A traveled 120 kilometers when they met for the first time. How many miles is the distance between A and B?
甲乙两车同时从AB两地相对开出．第一次相遇后两车继续行驶，各自到达对方出发点后立即返回．第二次相遇时离B地的距离是AB全程的1/5．已知甲车在第一次相遇时行了120千米．AB两地相距多少千米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">3 / (6/5)</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">120 * (5/2)</gadget>
<output>300</output>

<result>300</result>