The Units

We shipped thirty units to Chicago.
And twenty units to New York.
Five units are in the stockroom, waiting to be picked up so they can head to Phoenix.
We’re still putting together an order of seven units that will end up in Miami.
I hear we’ve got a lead on a customer who wants ten units in Tokyo.
And then there’s the guy in London who wants three units.
No, I have no idea what these units are. Really.
But we’re sure getting a lot of orders in for them.
So, how many can I put you down for?