Eighty percent of 80% is 64%; 20% of 20% is 4%, so this implies a "64/4" law; and similarly implies a "51.2/0.8" law.
80％的80％是64％; 20％的20％是4％，所以这意味着“64/4”的法律; 同样意味着“51.2 / 0.8”的法律。