<?php
	$mybasic = 400;
	define ( mypi, 3.14159 ) ;
	echo "第1跑道: ${mybasic}m";
	echo "第2跑道:" . ($mybasic+2*mypi*1.22*1) . "m" ;
	echo "第3跑道:" . ($mybasic+2*mypi*1.22*2) . "m" ;
	echo "第4跑道:" . ($mybasic+2*mypi*1.22*3) . "m" ;
	echo "第5跑道:" . ($mybasic+2*mypi*1.22*4) . "m" ;
	echo "第6跑道:" . ($mybasic+2*mypi*1.22*5) . "m" ;
	echo "第7跑道:" . ($mybasic+2*mypi*1.22*6) . "m" ;
	echo "第8跑道:" . ($mybasic+2*mypi*1.22*7) . "m" ;
?>