Gorillas and orangutans, for instance, afford about 30 billion neurons by spending eight and a half hours per day eating, and that seems to be about as much as they can do.
Os gorilas e os orangutáns,  por exemplo, poden permitirse uns 30 mil millóns de neuronas botando oito horas e media  comendo cada día, e isto é o máximo ao que poden chegar.