Function: invert(minus(product(divide(numbers('xyy') if numbers("xxy") > numbers('yxr') else numbers('xyy'), numbers('xyy')), numbers("xxy") if numbers('xyy') > numbers('xyy') else numbers('yxr')), divide(numbers('xyy') if numbers('yxr') > numbers("xxy") else numbers('xyy'), numbers('xyy'))))
