Our school's plastic track is 200 meters long, and the distance between two adjacent tracks is 1.2 meters. The school holds a sports meeting. In the 200-meter final, how many meters is the difference between two adjacent starting lines?
我们学校塑胶跑道跑一圈是200米，相邻两道相距1.2米．学校举行运动会，200米决赛时，相邻两道起跑线相差多少米？
<gadget id="calculator">2.4 * 3.14</gadget>
<output>7.536</output>

<result>7.536</result>