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Calculate the number 659

NUMBERMANIA: Calculate the number 659 using numbers [7, 1, 3, 8, 69, 740] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 6

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Hemingway was fascinated by ag...

Hemingway was fascinated by aging popes. That why he wrote Old Man in the See.

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Forrest M. Bird

Born 9 Jun 1921.American inventor and aeromedical scientist who developed the first reliable, low-cost, mass-produced medical respirator, the Bird Universal Medical Respirator for acute or chronic cardiopulmonary care. To continue its development and marketing, he founded Bird Products Corporation (1954). He tested it on patients so seriously ill that cardiopulmonary failure was expected, yet many of them survived due to his device—which became known as “the bird.” Bird continued to make improvements. It was widely adopted by hospitals around the world. The “Babybird” respirator introduced in 1970 greatly reduced infant deaths due to respiratory problems.«

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