Complex sentence: After a full week of sales, "Reflection" entered the US "Billboard" 200 at number five with 80,000 units (with 62,000 of that coming from traditional album sales) and was eventually certified Gold by the RIAA in February 2016.
Split into simpler sentences: After a full week of sales, "Reflection" entered the US "Billboard" 200 at number five with 80,000 units (with 62,000 of that coming from traditional album sales). The album was eventually certified Gold by the RIAA in February 2016.