I would guess that they could then work their way back to the present gross national product within, say, 20 years.
9 seconds sound clip from the Dr. Strangelove movie soundboard.
You can hear this line at 01:30:10 in the Blu-ray version of the movie.
Quote context
[...]
- Naturally, they would breed prodigiously, eh?
- There would be much time and little to do.
- But with the proper breeding techniques and a ratio of, say, 10 females to each male,
- Also, when they go down into the mine, everyone would still be alive.
[...]