A wife asks her software engineer husband, "Honey, can you please go to the store, buy a gallon of milk and if they have eggs, get a dozen." He leaves for the

A wife asks her software engineer husband, "Honey, can you please go to the store, buy a gallon of milk and if they have eggs, get a dozen." He leaves for the store. An hour later, he returns with 12 gallons of milk. His wife stares at him furiously and said "Why on Earth did you get 12 gallons of milk!?" "Well... they had eggs." he said.