On a standard 400m runway, participate in a 200m run, and each runway is 1.25m wide. How many meters is the difference between the starting positions of two people on adjacent runways? (π takes 3.14)
在标准400m跑道上，参加200m跑，每条跑道宽1.25m，相邻跑道中两人之间的起跑位置大约相差多少米？(π取3.14)
<gadget id="calculator">1.25 * 2 * 3.14</gadget>
<output>7.85</output>

<result>7.85</result>