The circumference of a circular track is 400 meters. Two athletes, A and B, start from the starting point clockwise at the same time. A runs 400 meters per minute, and B runs 375 meters per minute. Question: How long will it take for A and B to meet again?
环形跑道周长400米，甲、乙两名运动员同时顺时针自起点出发，甲每分钟跑400米，乙每分钟跑375米．问：多少时间后甲、乙再次相遇？
<gadget id="calculator">400 - 375</gadget>
<output>25</output>

<gadget id="calculator">400 / 25</gadget>
<output>16</output>

<result>16</result>