Complex sentence: Both "Romance" and "Segundo Romance" received a platinum certification by the RIAA in the United States and also became successful in countries outside of Latin America and the United States, such as Finland and Saudi Arabia, selling over twelve million copies combined.
Split into simpler sentences: Both "Romance" and "Segundo Romance" received platinum certification by the RIAA in the United States. They were also successful in countries outside of Latin America and the United States, such as Finland and Saudi Arabia, selling over twelve million copies combined.