Complex sentence: From 1972 to 1986, ELO accumulated 27 Top-40 hit singles in both the UK and the US, with 20 Top 20 UK singles and 15 Top-20 US singles (as charted by "Billboard" magazine).
Split into simpler sentences: From 1972 to 1986, ELO accumulated 27 Top-40 hit singles in both the UK and the US. The group also scored 20 Top 20 UK hit singles, as well as 15 Top-20 hit singles in the US (as charted by "Billboard" magazine).