Function: round(numbers("xxy") if product(numbers('xyy'), numbers("xxy")) > numbers('xyy') else numbers("xxx") if product(numbers('xyy'), numbers("xxy")) > numbers('xyy') else minus(numbers('xyy') if product(numbers('xyy'), numbers("xxy")) > numbers("xxy") else numbers("xxx"), product(numbers('xyy'), numbers("xxy"))), minus(numbers('xyy') if product(numbers('xyy'), numbers("xxy")) > numbers("xxx") else numbers("xxy"), product(numbers('xyy'), numbers("xxy"))))