Simplify the following text for a Grade 7 native English-speaking person.
Original: The company operates 717 stores ( as of October 30 , 2010 ) in all 50 U.S. states and the District of Columbia in addition to 637 college bookstores , which serve nearly 4 million students and 250,000 faculty members across the country .
Simplified: As of October 2009 , the company operates 777 stores in all 50 U.S. states and the District of Columbia . It also has 636 college bookstores , which serves nearly 4 million students and 250,000 faculty members across the country .