Function: divide(mean(numbers("per") if numbers("xxx") > mean(numbers("per"), numbers("xxx")) else numbers('rrr') if numbers("per") > numbers("xxx") else mean(numbers("per"), numbers("xxx")), numbers('rrr') if mean(numbers("per"), numbers("xxx")) > numbers("xxx") else numbers("per")), numbers("xxx") if mean(numbers("per"), numbers("xxx")) > numbers("per") if numbers('rrr') > mean(numbers("per"), numbers("xxx")) else numbers("xxx") else numbers("per"))