Python follows PEMDAS rule. PEMDAS stands for Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction.
Example:
>>> a, b, c, d = 2, 3, 5, 7
>>> a ** (b + c) # parentheses
256
>>> a * b ** c # exponent: same as `a * (b ** c)`
7776
>>...
