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Calculate the number 3345

NUMBERMANIA: Calculate the number 3345 using numbers [4, 4, 4, 1, 85, 408] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 4

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Gerard Peter Kuiper

Died 23 Dec 1973 at age 68 (born 7 Dec 1905).Dutch-born American astronomer, who discovered Miranda, a moon of Uranus, and Nereid, a moon of Neptune. The Kuiper Belt is so-named after his original suggestion of its existence outside the orbit of Neptune before it was confirmed as a belt of small bodies. He measured the diameter of Pluto. In the Martian atmosphere Kuiper detected carbon dioxide, but the absence of oxygen (1947). In the 1960s, Kuiper pioneered airborne infrared observing using a Convair 990 aircraft and served as chief scientist for the Ranger spacecraft crash-landing probes of the moon. By analyzing Ranger photographs, he identified landing sites on the lunar surface most suitable for safe manned landings.«

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