Increment decrement

Question

a=2,b
b=a++ + ++a + a++*a+a;
cout«a;
the answer of this is - 5
how???

Answer 1

Here is a video I made to help.
C++ Increment and Decrement Explained Simply in 6 Minutes
Order of Coding Operations
https://youtu.be/GQQFCFWWnaA

Answer 2

b=2[a+1=3]+[a+1=4]4+(4[a+1=5]*5)+5

b=31
a=5