Methuselah lived after the birth of Lamech seven hundred and eighty-two years and had other sons and daughters.
Methuselah lived one hundred and eighty-seven years and fathered Lamech.
So all the days of Methuselah were nine hundred and sixty-nine years, and he died.
The days of Adam after he fathered Seth were eight hundred years, and he had other sons and daughters.