Function: round(minus(numbers('xry'), numbers("yxx")) if numbers('xry') > round(minus(numbers('xry'), numbers("yxx")), numbers('xry')) else round(round(minus(numbers('xry'), numbers("yxx")), numbers('xry')), minus(numbers('xry'), numbers("yxx"))), round(round(minus(numbers('xry'), numbers("yxx")), numbers('xry')), minus(numbers('xry'), numbers("yxx"))))