Function: invert(numbers('xyy') if round(numbers("yyy") if numbers("per") > numbers("xyx") else numbers('xyy'), numbers('xyy')) if numbers('xyy') if numbers("per") > numbers("yyy") else numbers("xyx") > numbers('xyy') else numbers("xyx") > numbers("per") if numbers('xyy') > numbers("yyy") else numbers("xyx") else round(numbers("per") if numbers('xyy') > numbers("yyy") else numbers("xyx"), numbers('xyy')))