Simplify the following text for a Grade 5 native English-speaking person.
Original: On 26 November 2006 , it became the UK 's best-selling album of 2006 , selling over 1.5 million copies at the end of the year , with a cumulative total of 1.8 million .
Simplified: On November 26 , 2006 , it became the best-selling album of the year in the UK .