Under the new format, the four series in the Wild Card are best of three, leading to a range of 8 to 12 games.

The four Division series are best of five, leading to a range of 12 to 20 games.

The two League Championship Series and the World Series are both best of seven, leading to a range of 8 to 14 games for the LCS and 4 to 7 games for the World Series.

The minimum total games, provided every series is a sweep, is 32 and the maximum total, given every series goes the distance, is 53.

For the record, the total number of games played under the current playoff format from previous years.

2023 - 41 total games, two full series (both LCS) and six sweeps
2022 - 40 total games, one full series (Division) and five sweeps

Given the increased parity among the playoff-eligible teams remaining this late in the season, there is more potential for longer series this October.

EDIT: I have changed the parameters to include the total number of 42, since the median between 32 and 53 is 42.5.