Input (grade 10): The Mario series of video games has sold more than 200 million copies (201 million as of 2009), making it the best-selling video game franchise of all time.
Output (grade 3): He has appeared in more than 200 video games. Over 200 million Mario game CDs have been sold. More than 200 million Mario game CDs have been sold all over the world,. The Mario series of video games has sold more than 200 million copies, making it the best-selling video game franchise of all time.