I have a gradle build script into which I am trying to include Eric Wendelin\'s css plugin - http://eriwen.github.io/gradle-css-plugin/
Its easy enough to implement,
task mathOnProperties << { println Integer.parseInt(a)+Integer.parseInt(b) println new Integer(a) * new Integer(b) }
$ gradle -Pa=3 -Pb=4 mathOnProperties :mathOnProperties 7 12 BUILD SUCCESSFUL