Why are there 32 matches in this Asian Cup?

20 15 Australian Asian Cup, four groups, each group has four teams, each group has to play six games, and the first group match has to play 24 games. The top two in each group advanced to the quarter-finals, 1/4 finals, 1 * * 4 games, 2 semi-finals, 1 final and 1 final.

20 15 Australia Asian Cup:

Champion: Australia

Runner-up: Korea

Third place: United Arab Emirates

Fourth place: Iraq