Question: What is the area of the production facility of the American company for which Gerard Huerta designed a logo? 

Context paragraphs:
Nabisco: Nabisco (from the National Biscuit Company) is an American manufacturer of cookies and snacks headquartered in East Hanover, New Jersey.  The company is a subsidiary of Illinois-based Mondelēz International.  Nabisco's plant in Chicago, a 1800000 sqft production facility at 7300 S. Kedzie Avenue, is the largest bakery in the world, employing more than 1,200 workers and producing around 320 million pounds of snack foods annually.

EnvisionTEC: EnvisionTEC is a privately held global company that develops, manufactures and sells more than 40 models of 3D printers based on several distinct process technologies that build objects from digital design files.  Founded in 2002, the company now has two corporate headquarters located in Dearborn, Mich., in Metro Detroit, and Gladbeck, Germany.  It also has a production facility in the Greater Los Angeles area, as well as additional facilities in Montreal, for materials research, and Kiev, Ukraine, for software development.  Today, the company's 3D Printers are used to make prototypes, tooling, production parts and finished products for a wide variety of medical, professional and industrial customers.  EnvisionTEC has developed large customer niches in jewelry, dental, hearing aid, medical devices, biofabrication and animation.

Kenneth Nichols: Major General Kenneth David "Nick" Nichols (13 November 1907 – 21 February 2000) was a United States Army officer and an engineer.  He worked on the Manhattan Project, which developed the Atomic Bomb during World War II, as Deputy District Engineer to James C. Marshall, and from 13 August 1943 as the District Engineer of the Manhattan Engineer District.  He was responsible for both the uranium production facility at the Clinton Engineer Works at Oak Ridge, Tennessee and the plutonium production facility at Hanford Engineer Works in Washington state.

Air Force Special Projects Production Facility: The Air Force Special Projects Production Facility was a top-secret facility operational at Westover Air Force Base from 1961 to 1976.  It was responsible for developing film from the Corona satellite program and other film projects that were top secret.  The facility was co-located with the 8th Reconnaissance Technical Squadron and developed the film used during the Cuban Missile Crisis.  It was also the primary production facility for the National Reconnaissance Program during this time.  The facility was also in charge of the Controlled Range Network, which served to calibrate Corona, Gambit, and Hexagon satellite programs.

Detroit Arsenal (Warren, Michigan): Detroit Arsenal (DTA), formerly Detroit Arsenal Tank Plant (DATP) was the first manufacturing plant ever built for the mass production of tanks in the United States.  Established in 1940 under Chrysler, this plant was owned by the U.S. government until 1996.  It was designed by architect Albert Kahn.  The building was designed originally as a "dual production facility, so that it could make armaments and be turned into peaceful production at war's end.  Notwithstanding its name, the 113 acre site was located in Warren, Michigan, Detroit's largest suburb.

Camp Ravenna Joint Military Training Center: Camp Ravenna Joint Military Training Center, formerly known as the Ravenna Training and Logistics Site and the Ravenna Army Ammunition Plant (RVAAP) and commonly known as the Ravenna Arsenal, is an Ohio Army National Guard military base located between Ravenna and Newton Falls and adjacent to the village of Windham in the U.S. state of Ohio.  Before its present status as a training facility for the Ohio National Guard, Camp Ravenna was a military ammunition production facility for the United States Army.  As an arsenal, the facility was at peak operation during World War II and would serve as an ammunitions plant in various roles until 1992.  Camp Ravenna remains an important part of the history and geography of Portage County, Ohio.  The facility occupies portions of Freedom, Windham, Charlestown, and Paris townships in Portage County, along with part of Braceville Township in Trumbull County.

Televisa San Ángel: Televisa San Ángel (originally Estudios y Laboratorios San Ángel, S.A.) is a film and television studio located in Mexico City.  It was originally built by Jorge Stahl as a motion picture studio, and in the 1970s would be sold to the Azcárraga family, which, through ownership of the Televisa networks, continues to own the studios.  It is the headquarters facility of the Centro de Educación Artística (CEA) and the Videocine (formerly Televicine) motion picture production and distribution company.  The network's Centro de Post Produccion is also housed at San Ángel.  Moreover, it is best known as a motion picture and television studio.  It is the oldest movie and television production facility in Mexico and the most famous telenovela studio facility in Latin America.  It was one of the four main Mexican film studios along with Estudios Churubusco, Estudios América, and Estudios Tepeyac.

NKT Flexibles: NKT Flexibles is a supplier of flexible pipelines for the offshore and chemical industries based in Denmark.  NKT Flexibles was acquired by the Houston, Texas-based company National Oilwell Varco in 2012.  The company was formed in 1999 when it split off from NKT Cables.  It has production facilities in Kalundborg, Denmark and offices in Brøndby, Denmark.  In July 2011, the company announced its second Frame Agreement with Brazil oil company Petrobras.  The agreement, worth up to 1.3 bn Euro, includes the establishment of a Brazilian production facility.  This facility will be located in the new Acu Superport.

Production logo: A production logo, vanity card, vanity plate, or vanity logo is a logo used by movie studios and television production companies to brand what they produce and to determine the production company and the distributor of a television show or film.  Production logos are usually seen at the beginning of a theatrical movie or video game (an "opening logo"), or at the end of a television program or TV movie (a "closing logo").  Many production logos have become famous over the years, such as the 20th Century Fox's monument and searchlights, Paramount Pictures' mountain, Universal Pictures' spinning globe, Warner Bros.' shield, Columbia Pictures' personification of Columbia, MGM's Leo the Lion, and Walt Disney Pictures' fantasy castle.  Unlike logos for most other media, production logos can take advantage of motion and synchronized sound, and almost always do.

Gerard Huerta: Gerard Huerta is an American typographer and graphic designer.  He is a graduate of Art Center College of Design.  His first job was working for CBS Records, where he designed album covers and created logos and lettering for numerous artists including Ted Nugent, the Isley Brothers, Blue Öyster Cult, and Boston.  He also designed or updated company logos such as that of Nabisco.  Probably his best-known is the logo for the band AC/DC, which he designed in 1977.  His illustrated cover for the album "Chicago XIV," art directed by John Berg, hangs in the permanent collection at MOMA (the Museum of Modern Art.)

Supporting paragraphs: Gerard Huerta Nabisco
Answer: 1800000 sqft