Function: sum(mean(numbers("xxr"), numbers('yxr')), numbers("xxr")) if mean(numbers("xxr"), numbers('yxr')) > minus(sum(mean(numbers("xxr"), numbers('yxr')), numbers("xxr")), mean(numbers("xxr"), numbers('yxr'))) else divide(minus(sum(mean(numbers("xxr"), numbers('yxr')), numbers("xxr")), mean(numbers("xxr"), numbers('yxr'))), sum(mean(numbers("xxr"), numbers('yxr')), numbers("xxr")))