Function: product(tan(numbers('rep') if sum(numbers('rep'), numbers('epe')) if numbers('epe') > numbers("xxx") else numbers('rep') > numbers('epe') else sum(numbers('rep'), numbers('epe'))), sum(numbers('rep'), numbers('epe')) if numbers('rep') > sum(numbers('rep'), numbers('epe')) if numbers("xxx") > numbers('epe') else numbers('rep') else numbers('epe'))