See
C++ Operator Precedence - cppreference.com[
^].
Then break the expression down step by step according to the precedence and replacing fixed expressions (those that did not contain variables). It is often also helpful to insert parentheses first according to the precedence.
If you have for example
a || b && c
it will be
a || (b && c)
Because your question looks like homework, I will not give you a final answer. Even if it is not homework, you should do it yourself to understand how it works.