Function: sum(numbers("xxx") if sum(numbers("xxx"), numbers('ryy')) if numbers('ryy') > numbers("xxx") else sum(numbers("xxx"), numbers('ryy')) if numbers('rrr') > numbers('ryy') else numbers("xxx") > numbers("xxx") if sum(numbers("xxx"), numbers('ryy')) > numbers('ryy') else numbers('rrr') else sum(numbers("xxx"), numbers('ryy')), numbers('rrr') if numbers("xxx") > sum(numbers("xxx"), numbers('ryy')) else numbers('ryy') if numbers("xxx") > sum(numbers("xxx"), numbers('ryy')) else numbers('ryy'))