Find the number of moles in 12×10^24 CO2 molecules

Question

1mole is equal to 6.0×10 ^23
? 12x10^24
Then division of them but the answrr did not match the answer of the book

Answer 1

in 12E24 molecules, the number of moles is 12E24/6E23=20 moles.

If this does not match what the book states, burn the book.