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Calculate the number 672

NUMBERMANIA: Calculate the number 672 using numbers [5, 8, 8, 6, 16, 618] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 2

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A boxer went to a doctor for t...

A boxer went to a doctor for treatment of insomnia.
"Have you tried counting sheep?" suggested the doctor.
"It doesn't work," replied the boxer. "Whenever I get to nine, I stand up!"

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East London railway tunnel

In 1869, the Thames Tunnel between Rotherhithe and Wapping in London, the world's first tunnel under a navigable river, was re-opened with the East London Railway line. Work had started on 2 Mar 1825. Excavation was engineered by Marc Brunel, for which he invented the tunneling shield to reduce the danger of collapse while digging through soft sediments. Beginning his own engineering career, his son Isambad Brunel assisted. They persevered through 18 years, including floods, human disasters, and delays caused by financing difficulties. Planned ramps for use by carts and freight traffic were never added due to cost, but it was opened for pedestrian use on 25 Mar 1843. It continued in use as the oldest part of the London Underground.«

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