Function: round(numbers('yxr') if minus(numbers("xyx"), numbers('yxr')) if numbers('rrr') > numbers('yxr') else numbers("xyx") > minus(numbers("xyx"), numbers('yxr')) else numbers("xyx") if numbers("xyx") > numbers('rrr') if minus(numbers("xyx"), numbers('yxr')) > numbers('yxr') else numbers("xyx") else minus(numbers("xyx"), numbers('yxr')), numbers("xyx") if numbers('rrr') if numbers("xyx") > numbers('yxr') else minus(numbers("xyx"), numbers('yxr')) > numbers('yxr') else minus(numbers("xyx"), numbers('yxr')))