A and B ride bicycles from A to B at the same time. A travels 300 meters to each branch, and B travels 400 meters to each branch. On the way, B’s car breaks down. It takes 15 minutes to repair the car, so B arrives at B 5 minutes later than A. Land, how many meters is the distance between A and B?
甲、乙两人骑车同时从A地去B地，甲每分行300米，乙每分行400米，途中乙的车发生故障，修车用了15分钟，因此乙比甲迟5分钟到B地，求甲、乙两地距多少米？
<gadget id="calculator">4_000 / 100</gadget>
<output>40</output>

<gadget id="calculator">300 * 40</gadget>
<output>12_000</output>

<result>12_000</result>