Here's how to calculate the number of atoms in C8H16O8:

* Count the subscripts:

* Carbon (C): 8 atoms

* Hydrogen (H): 16 atoms

* Oxygen (O): 8 atoms

* Add the number of atoms of each element: 8 + 16 + 8 = 32 atoms

Therefore, there are 32 atoms in one molecule of C8H16O8.