<?php
	$mybasic = $_GET['run'];
	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" ;
?>