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The giant equation

The giant equation

From the page www.dow.com we get an interesting puzzle with a very simple question, although answering it will not be so simple.

What is the result of this equation?

Thanks to Raúl García for the contribution.

Solution

The solution to the equation is 7,000,000,000 which represents the number of inhabitants of the planet in 2011.

You can get complete information about the development of the solution at www.giantchalkboard.com