Task: Text Simplification
Input (English): Collectively , her work both as a member of Fleetwood Mac and as a solo artist has produced over forty top 50 hits and sold over 140 million records , making her one of the best-selling music acts of all time with Fleetwood Mac .
Output (English): Within the band and as a solo singer , she has over forty Top 50 hits and has sold over 140 million albums .