BRAIN TEASERS

# Calculate the number 6047

NUMBERMANIA: Calculate the number 6047 using numbers [2, 7, 2, 6, 34, 723] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is undefined.
#brainteasers #math #numbermania

### The Dentist

The dentist pulls out a Novocain needle to give the man a shot, so he can extract the man's tooth. 'No way! No needles. I hate needles' the patient said.
The dentist starts to hook up the nitrous oxide and the man objects I can't do the gas thing. The thought of having the gas mask on is suffocating to me! The dentist then asks the patient if he has any objection to taking a pill. 'No objection,' the patient says. 'I'm fine with pills.'
The dentist then returns and says, Here's a Viagra tablet.'
The patient says, 'Wow! I didn't know Viagra worked as a pain killer!'
It doesn't' said the dentist, 'but it's going to give you something to hold on to when I pull your tooth.

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### Telephone Fog Horn

In 1844, Captain J.N. Taylor of the Royal Navy first demonstrated the fog horn. At the time, it was called a telephone - to mean far-signalling, thus an instrument like a fog-horn, used on ships, railway trains, etc., for signalling by loud sounds or notes. The 19 Jul 1844 Times (London) reported, “Yesterday week was a levée day at the Admiralty, and amongst the numerous models..was Captain J. N. Tayler's telephone instrument... The chief object of this powerful wind instrument is to convey signals during foggy weather. Also the Illustrated London News on 24 Aug. 1844 referred to “The Telephone; a Telegraphic Alarum. Amongst the many valuable inventions..that of the ‘Telephone, or Marine Alarum and Signal Trumpet,’ by Captain J. N. Taylor.”
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