Genesis 5:4

And the days of Adam, which he lived after his begetting Seth, were seven hundred years; and he begot sons and daughters.

And the days of Adam, which he lived after his begetting Seth, were seven hundred years; and he begot sons and daughters.

And the days of Adam after he had begotten Seth were eight hundred years: and he begat sons and daughters:

The days of Adam after he became the father of Seth were eight hundred years, and he became the father of other sons and daughters.