I need help.

Watch this:

for subtracting: (this is only three digit but the concept is the same.)

http://www.khanacademy.org/math/arithmetic/addition-subtraction/sub_borrowing/v/basic-regrouping-or-borrowing-when-subtracting-three-digit-numbers

for adding: (this is also only three digit but the concept is the same.)

http://www.khanacademy.org/math/arithmetic/addition-subtraction/addition_carrying/v/carrying-when-adding-three-digit-numbers

for multiplying: (you will need a bigger lattice for your numbers)

http://www.khanacademy.org/math/arithmetic/multiplication-division/lattice_multiplication/v/lattice-multiplication

Sal Khan is very good at teaching maths.

From Sam, Herefordshire, England

I DONT NEED THAT. I WANT THE ANSWER.

The answer is 262941862

Thank youThank you

That is very rude Cue123smile.

There is a calculator on the home page.  You can use that.  

Quenton4 gave you a very appropriate answer and you should give him back his 5 points and appologise to him!

Thanks Quenton and Nathan :)

I am really glad that you joined up Quenton4.  I think that you will be a great asset to this forum.