Complex sentence: Official ratings from the Broadcasters' Audience Research Board showed that the three mini episodes gained 9.82,8.38 and 5.43million viewers Coronation Street also broadcast a Worldcup special episode with characters preparing to watch the final, which achieved 13.29 million viewers.
Split into simpler sentences: Official ratings from the Broadcasters' Audience Research Board showed that the three mini episodes gained 9.82,8.38 and 5.43million viewers respectively. ITV soap "Coronation Street" also broadcast a World Cup special episode with characters preparing to watch the final, which achieved 13.29million viewers.