Complex sentence: It grossed approximately $459 million worldwide, and became the seventh-highest grossing film of 2006 and the most financially successful of the series; but it received mixed reviews, praising the acting performances and action scenes, but criticizing the poor screenplay and style.
Split into simpler sentences: It grossed approximately $459 million worldwide, and became the seventh-highest grossing film of 2006 and the most financially successful of the series. It however received mixed reviews, with praise towards the acting performances and action scenes, and criticism towards the poor screenplay and style.