see, both having the same priority, you have to evaluate start always from left to right, here I have taken an
infix to postfix example to understand it.... see.. hope u can easily understand.
they have same priority ... evaluate left to right or right to left according to associativity... refer:https://www.geeksforgeeks.org/c-operator-precedence-associativity/
Example
a*b/c ----> ab*c/
a/b*c----> ab/c*