Become a Math Millionaire!

This one is fun!! The first time I played I made it to $32,000! Can you beat me???

http://www.mathplayground.com/math_millionaire.html

OK, I tried it again and got to the $1 million dollar question and 'did I get it right?' - of course not! So I ended up with $32,000 again! Can you beat me??? (I forgot all about the 50:50 and hints)