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