xpp {

       xout( xservice("xml", "http://localhost/XppExt_Release/XppExt.dll") Calculator.Mult(Parm1 = 40, Parm2 = 20) );

       expr MyExpr {

              int    iVal = 0;

              return iVal + 5;

       }

       xout("\r\nMyExpr = ");

       xout(@MyExpr);

}