On 4 Sep 2003 21:40:42 -0700, Brett Robson <jet_boy@deja.com> wrote:

>On Fri, 05 Sep 2003 04:32:18 GMT, Steve Sundberg  ...
>>
>>For 40,000 couples to have 80,000 children every year, they'd have to
>>give birth to twins each and every year. Very doubtful.
>
>Try again Steve. It's 40,000 marriages a year, 80,000 births a year.

Unless I'm going completely nuts, that's what I mean.

Each one of those marriages is expected to produce 2 babies per year.

Look again at how the original paragraph (and your paraphrase) was
written.