Calculating Prodigy Shakuntala Devi

Shakuntala Devi, who is known as the human calculator and is able to make complex calculations in her head within seconds, is interviewed by Russia Today.

She once set a world record for mental calculation by multiplying two 13-digit numbers 7,686,369,774,870 times 2,465,099,745,779 in her head, giving the answer in 28 seconds. (The answer is 18,947,668,104,042,434,089,403,730.)

What do problem solving skills like hers say about the power of the human brain?