At a carnival, Carlos bought 16 packs of 8 tickets each. He also found 6 more tickets on the ground. How many tickets did Carlos have in all?

Carlos bought 16 packs * 8 tickets/pack = 128 tickets.

Adding the tickets he found on the ground, Carlos had a total of 128 tickets + 6 tickets = 134 tickets in all.
Therefore, Carlos had 134 tickets in all.