Homeschool Math Challenge January 28

The largest library in the world is the Library of Congress in Washington, D.C. According to its web site, in 2006, the library had: a total of 134,517,714 items in the collections, including:
20,532,692 cataloged books in the Library of Congress classification system. How many items are not cataloged books?

Send answers to kellys3ps@sbcglobal.net

Good Luck!

Kelly