if e=mc^2 , then how much do i weigh?

Now we know E=MC^2
then M= E/C^2

And if Energy is in GV and C is m2/s2, then
Mass must be measured in GV/(m/s)^2.

So how much do I weigh in GV/(m/s)^2 if I weigh 80kg?

And what is a side of fries equivalent to?