Guess the Balls

Were at the Curve one weekend and passed by a car stuffed with balls.

Literally.

Me: Wah, guess correct can win the car. How much you think there are in there?

Beau: 6688.

Me: Where got so many? I think only 355.

Beau: Chinese have these lucky numbers one. 6868.

Me: Why not 3434?

Beau: Ish...

Me: Or... 554? "Five five sei".

Beau: Adui....