Complex sentence: In total, "No Strings Attached" sold in the United States over 2.4 million units in its first week, debuting on the "Billboard" 200 at number one.
Split into simpler sentences: In total, "No Strings Attached" sold in the United States over 2.4 million units in its first week. Chartwise, the album debuted on the "Billboard" 200 at number one.