Mc Donalds --> the "Uni" isnt working

This was Mr. Daggy's drive through McDonalds experience:


The Lovely Daggy: Hi, I'd like a cheeseburger happy meal with fanta, 2 quarter pounders with cheese, 12 nuggets an...

Cashier: I'm sorry, you can only get nuggets in 6, 9 or 20.

TLD: OK, well whats 2 sixes?

Cashier: eight bucks

TLD: OK, give me a cheeseburger happy meal with fanta, 2 quarter pounders with cheese and 12 nugg..

Cashier: I'm sorry, you can only get nuggets in 6, 9 or 20.

TLD: (going purple) OK give me 6 nuggets, a cheeseburger happy meal with fanta, 2 quarter pounders with cheese and... you know what? make that 12 nug..

cashier: I'm sorry, we can't do nuggets in 12's.

TLD: what's 2 sixes?

cashier: 8 bucks

TLD: OK, I'll have a cheeseburger happy meal with fanta, 6 nuggets, 2 quarter pounders with cheese..... you DO sell them in twos, right? oh.... and you better give me another 6 nuggets. Can you read that back to me sweety?

cashier: sure, one cheeseburger happy meal with fanta, 2 quarter pounders with cheese and 2 six packs of nuggets, is that right?


TLD: I'm not sure, how many nuggets do I have altogether?

cashier: 12

TLD: lovely.... Frost you very much! have a good night dear!