Function: round(gradient[1](divide(gradient[2](numbers("xxr") if numbers('yxr') > numbers("xxx") else numbers("per")), numbers('yxr') if numbers("xxr") > numbers("xxx") else numbers("per"))), divide(gradient[2](numbers('yxr') if numbers("per") > numbers("xxr") else numbers("xxx")), numbers("xxx") if numbers("per") > numbers('yxr') else numbers("xxr")))
