Complex sentence: Nurmi won a total of nine gold and three silver medals in the 12 events in which he competed at the Olympic Games from 1920 to 1928, including five gold medals at the 1924 Summer Olympics held in Paris.
Split into simpler sentences: Nurmi won a total of nine gold and three silver medals in the 12 events in which he competed at the Olympic Games from 1920 to 1928. In particular, he won five gold medals at the 1924 Summer Olympics held in Paris.