It's about 60 times the number of Union Stations in the United States.
In other words, 7,800 is 57.8 times the count of Union Stations in the United States, and the count of Union Stations in the United States is 0.0173 times that amount.(a.k.a. Union Terminal; a.k.a. Joint Station; a.k.a. Union Depot) (2016 figures)
Typically shared between multiple railroad companies and stations, there are about 135 "Union Stations" in the United States. Of these, the busiest station is Chicago Union Station, which handles 120,000 passengers each year.
It's about 65 times the number of Elements on the Periodic Table.
In other words, 7,800 is 66.1 times the count of Elements on the Periodic Table, and the count of Elements on the Periodic Table is 0.0151 times that amount.(a.k.a. Periodic Table of the Elements, a.k.a chemical elements) (confirmed elements as of 2016)
From element number one, hydrogen, to element one-hundred eighteen, ununoctium, there are 118 confirmed elements on the Periodic Table. Ninety-four of the elements exist in nature, and the remaining twenty-four have only been synthesized in labs (not having occurred naturally in the time since scientists have begun researching them)
It's about 75 times the number of Wolves in Yellowstone National Park.
In other words, the count of Wolves in Yellowstone National Park is 0.0133 times 7,800.(a.k.a. Henihco'oo; a.k.a. Héetíhco'oo) (December 2014 figures; Wyoming Park area)
As of the 2014 population count, there were 104 wolves living in Yellowstone National Park, in twelve packs. All of the wolves now living in the Park are thought to have descended from the 66 wolves (re)introduced into the Park in 1995-96.
It's about one-seventy-fifth the number of Words in War and Peace.
In other words, 7,800 is 0.0132814 times the count of Words in War and Peace, and the count of Words in War and Peace is 75.2933 times that amount.(1869) (1968 Ann Dunnigan translation, New American Library)
First published in 1869, Leo Tolstoy\'s Tzarist Russian epic, War and Peace contains 587,287 words (in one of the popular English translations). The novel is the seventh-longest novel ever written in a Latin or Cyrillic alphabets.
It's about 90 times the number of Keys on a Piano.
In other words, 7,800 is 89 times the count of Keys on a Piano, and the count of Keys on a Piano is 0.011 times that amount.(Moden layout; A0 to C7)
Most modern keyboards have 88 keys, comprising seven octaves and an additional major third. A full-size, acoustic piano may have as many as 12,000 separate parts.
It's about 100 times the number of Submarines in the US Navy.
In other words, 7,800 is 110 times the count of Submarines in the US Navy, and the count of Submarines in the US Navy is 0.0091 times that amount.(a.k.a. Subs) (includes all types, all classes) (2015 figures)
The United States Navy maintains a fleet of 72 active submarines. A typical submarine goes to sea with a crew of about 140.
It's about 150 times the number of Countries in Africa.
In other words, the count of Countries in Africa is 0.0071 times 7,800.(2016 figures) (sovereign states recognized by the UN only)
The continent of Africa includes 54 sovereign countries recognized by the United Nations as of 2016. It is the second-most populous continent in the world, with 1.1 billion inhabitants.