Wife sends her programmer husband grocery shopping

Wife sends her programmer husband grocery shopping

She tells him:

“I need butter, sugar and cooking oil.
Also, get a loaf of bread and if they have eggs, get 6.”

The husband returns with the butter, sugar and cooking oil, as well as 6 loaves of bread.

The wife asks:
“Why the hell did you get 6 loaves of bread?”

To which the husband replies:
“They had eggs.”