500 Servlet Exception

java.lang.NumberFormatException: For input string: "3.18 X 3.40"
	at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1224)
	at java.lang.Float.parseFloat(Float.java:394)
	at _jsp._view._trimparam__jsp.doFloat(view/trimparam.jsp:24)
	at _jsp._view._trimparam__jsp.transfer(view/trimparam.jsp:53)
	at _jsp._view._trimparam__jsp._jspService(view/trimparam.jsp:502)
	at com.caucho.jsp.JavaPage.service(JavaPage.java:60)
	at com.caucho.jsp.Page.pageservice(Page.java:570)
	at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:175)
	at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:178)
	at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229)
	at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:419)
	at com.caucho.server.port.TcpConnection.run(TcpConnection.java:389)
	at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:507)
	at com.caucho.util.ThreadPool.run(ThreadPool.java:433)
	at java.lang.Thread.run(Thread.java:595)