Function: sqrt(product(numbers("per") if numbers('epe') > numbers("xxx") else numbers('yxr') if numbers("xxx") > numbers("per") else numbers("xxx") if numbers('yxr') if numbers("xxx") > numbers('epe') else numbers("per") > numbers('epe') else numbers("per"), numbers("per") if numbers("xxx") > numbers('epe') else numbers("xxx") if numbers('epe') > numbers('yxr') else numbers("per")))