how to use return type value for calculation in main report??

[chandrasekhargeceindia.co]

hi im facing this problem,

$V{returnValue}=this return type im gettig from subreport.i want to divide by return value.how can i achieve this .please solve this problem.

 

net.sf.jasperreports.engine.fill.JRExpressionEvalException: Error evaluating expression : 
    Source text : $F{TLF_MVA}/1.732/$V{returnValue} 
    at net.sf.jasperreports.engine.fill.JREvaluator.evaluate(JREvaluator.java:244) 
    at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:591) 
    at net.sf.jasperreports.engine.fill.JRCalculator.evaluate(JRCalculator.java:559) 
    at net.sf.jasperreports.engine.fill.JRFillElement.evaluateExpression(JRFillElement.java:1016) 
    at net.sf.jasperreports.engine.fill.JRFillTextField.evaluateText(JRFillTextField.java:504) 
    at net.sf.jasperreports.engine.fill.JRFillTextField.resolveElement(JRFillTextField.java:936) 
    at net.sf.jasperreports.engine.fill.JRFillElement.performDelayedEvaluation(JRFillElement.java:983) 
    at net.sf.jasperreports.engine.fill.JRFillElement.resolveElement(JRFillElement.java:1085) 
    at net.sf.jasperreports.engine.fill.ElementEvaluationAction.execute(JRBaseFiller.java:2423) 
    at net.sf.jasperreports.engine.fill.JRBaseFiller.resolveBoundElements(JRBaseFiller.java:1609) 
    at net.sf.jasperreports.engine.fill.JRBaseFiller.resolveReportBoundElements(JRBaseFiller.java:1636) 
    at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillSummary(JRVerticalFiller.java:1077) 
    at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportEnd(JRVerticalFiller.java:319) 

[kotapati.krishna]

Create textfiled and filed class as com.qhix.dynamic.reports.vo.Invoice (method)  send input from jrxml and do calculation on java side.