Complex sentence: Its first appearance was in the Billboard Albums Top 200, selling roughly 161,000 copies in the first week, debuting at number thirteen later certified Platinum in the US, selling over 1.2 million copies.
Split into simpler sentences: Its first appearance was in the "Billboard" Albums Top 200, selling roughly 161,000 copies in the first week, debuting at number thirteen. It was later certified Platinum in the US, selling over 1.2 million copies.