They think, Okay, so I know an egg  weighs 20 grams.. But the sentence is not just saying it weighs 20  grams. It says it weighs 20 grams AND half an egg. If you read it  backwards, you would understand. Let's try, An egg weighs half an  egg and 20 grams.. Two halves make one.
Diamond Valley Lake lies between two mountains in California's Inland Empire tourism region. The 4,500-acre lake is Southern California's newest and largest reservoir. It has only been at full pond since 2002 and already has been crowned the Jewel of California lakes, with a reputation for excellent fishing.
The California City of Diamond Bar, located among the meandering hills and valleys of Brea Canyon in Los Angeles County, sits about 27 miles east of Los Angeles. twenty-five mile radius around Diamond Bar encompasses downtown Los Angeles, Pasadena, Anaheim, and Long Beach. Within that radius are numerous world-class Southern California attractions as well as ski slopes and beaches.