On a 300-meter-long circular runway, two people, A and B, start running side by side in the same direction at the same time. The average speed of A is 5 meters per second, and the average speed of B is 4.4 meters per second. How many meters before the starting line is the first encounter between the two after starting?
在300米长的环形跑道上，甲乙两个人同时同向并排起跑，甲平均速度是每秒5米，乙平均速度是每秒4.4米，两人起跑后的第一次相遇在起跑线前几米？
<result>100</result>