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Calculate the number 817

NUMBERMANIA: Calculate the number 817 using numbers [8, 3, 2, 9, 93, 551] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 2

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Food cans

In 1825, the first U.S. patent for food storage in cans - to "preserve animal substances in tin" - was issued to Ezra Daggett and his nephew Thomas Kensett of New York City where they canned salmon, oysters and lobsters since introducing the method in 1819. Tin cans had been used by the military and explorers in Europe since 1813, but their development did not start until after the Civil War.

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