Function: minus(sum(numbers('xyy') if numbers('xyy') if numbers("xyx") > numbers('xyy') else tan(numbers('xyy')) > numbers("xyx") else tan(numbers('xyy')), numbers('xyy') if tan(numbers('xyy')) > numbers("xyx") else numbers('xyy')), numbers("xyx") if tan(numbers('xyy')) > numbers('xyy') else tan(numbers('xyy')) if numbers("xyx") > numbers('xyy') else numbers('xyy'))