<?php
	echo "第1跑道: 400m";
	echo "第2跑道:" . (400+2*3.14*1.22*1) . "m" ;
	echo "第3跑道:" . (400+2*3.14*1.22*2) . "m" ;
	echo "第4跑道:" . (400+2*3.14*1.22*3) . "m" ;
	echo "第5跑道:" . (400+2*3.14*1.22*4) . "m" ;
	echo "第6跑道:" . (400+2*3.14*1.22*5) . "m" ;
	echo "第7跑道:" . (400+2*3.14*1.22*6) . "m" ;
	echo "第8跑道:" . (400+2*3.14*1.22*7) . "m" ;
?>