This is what it says when you click the "i" and then on the provably fair text:
Thanks for the information.
The "i" button is clickable only when you have available free spins and that's why I couldn't find the details.
So, the process of calculations in wheel of fortune is a bit different with multiply game.
In the multiply game, the decimal number is rounded off to the nearest whole number and I confuse wheel of fortune with that.