That's also pathetically incorrect. The answer isn't "a number". Not as in if to answer 2+2 was the requirement and I said you were incorrect, and not as in the term "NaN" that you get when dividing by zero or looking for the even root of a negative number, but as in the answer is not a number. DON'T POST IF YOU DON'T HAVE THE ANSWER!
The next poster absolutely must include the answer to this problem: