[bregma]

If one woman can produce a baby on 9 months, why can't you get 9 women pregnant and produce a baby in one month?

[eru]

That works for throughput just fine. And if you have a bit of an inventory, you can hide the latency.

That's also how CPUs are made and sold: it takes a few months to make a physical CPU, but you can just go into a shop and buy one whenever you feel like it.