Function: product(gradient[2](round(minus(numbers('epe') if numbers("xxx") > numbers("xyx") else numbers('xyy') if numbers('xyy') > numbers("xxx") else numbers("xyx"), numbers('epe') if numbers("xyx") > numbers("xxx") else numbers('xyy')), numbers("xxx") if numbers("xyx") > numbers('xyy') else numbers("xyx") if numbers('epe') > numbers("xxx") else numbers('xyy'))), round(minus(numbers('xyy') if numbers("xxx") > numbers("xyx") else numbers("xxx") if numbers("xyx") > numbers('epe') else numbers('xyy'), numbers("xyx") if numbers('xyy') > numbers('epe') else numbers("xxx")), numbers("xxx") if numbers('xyy') > numbers("xyx") else numbers("xxx") if numbers('epe') > numbers("xyx") else numbers('xyy')))