Exponent or Power classifies as an Order hence the O. How Excel uses BODMAS brackets order division multiplication addition and subtraction to complete calculations. After exponents Excel will perform multiplication and division then addition and subtraction.
Ordinarily in your use of Excel you would not embed the expression in a single cell as shown above.
This means that any calculation within a set of round brackets is done first. Exponent or Power classifies as an Order hence the O. Next Excel will solve for any exponents. Orders in Excel Summing Cubing Numbers.