Well, other people have figured out how much energy the human brain and that of other species costs, and now that we knew how many neurons each brain was made of, we could do the math.
どれくらいのエネルギーを 人や他の動物の脳が 使うかは分っています 既に それぞれの脳にある ニューロン数が分っていますから 計算が出来ます