The inner circle of the school's runway is 160m, the straight track is 43m long, and the track width is 0.9m. If the starting line is to be determined for a 200m race, how many meters should each track move forward?
学校的跑道内圈160m，直道长43m，道宽0.9m，如果要为200m比赛确定起跑线，每道应向前推移多少米？
<result>5.625</result>