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Calculate the number 2151

NUMBERMANIA: Calculate the number 2151 using numbers [3, 7, 2, 1, 58, 420] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 14

The first user who solved this task is Fazil Hashim.

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My girlfriend complained

My girlfriend complained I never took her anywhere, so we went to the Grand Canyon so she felt valley dated.

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Alfred Krupp

Born 26 Apr 1812; died 14 Jul 1887 at age 75.German manufacturer of steel and armaments who was known as “The Cannon King.”At an early age, in 1826, he inherited his father's small cast-steel works at Essen, which he expanded by 1843 to 100 workers making steel springs and machine parts. In 1859, he won a Prussian government contract to make 312 cannon. Developing this line of business, he became the largest steel maker in Europe. In 1862, he began making steel with the Bessemer process. His cannon were used in the Franco-Prussian War of 1870. After this, he acquired control of the supply of German coal and Spanish iron-ore. His artillery business grew to 21,000 employees. His descendants continued the business and armed the Germans in WW II.«

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