To solve this problem, we need to use the equation ratio.
The equation gives us that if 1 mole of C6H12O6 is consumed, 6 moles of O2 are consumed.
So:
1 mole of C6H12O6 ---- 6 moles of O2
We don't need to do any calculations, the equation gives us the answer.
Answer: 1 mole of C6H12O6 is consumed.