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