Function: invert(2 *(round(numbers("xxy"), numbers('yxy')) if numbers("xxy") > numbers('yxy') else numbers('xry') if round(numbers("xxy"), numbers('yxy')) > product(numbers('xry') if numbers('yxy') > round(numbers("xxy"), numbers('yxy')) else numbers("xxy"), round(numbers("xxy"), numbers('yxy'))) else numbers("xxy")))
