The distance between A and B is 400 kilometers. Cars A and B drive from the two places at the same time. They meet for the first time at a place (2/5) of the distance from place A. After the meeting, the two cars continue to move forward. Back, how many kilometers away from the second meeting point is A?
AB两地相距400千米，甲乙两车同时从两地相对开出，第一次在离A地相当于全程的(2/5)处相遇，相遇后两车继续前进，到达目的地后立即返回，第二次相遇点离A地多少千米？
<gadget id="calculator">400 / 5</gadget>
<output>80</output>

<gadget id="calculator">80 * 4</gadget>
<output>320</output>

<result>320</result>