Answer

 

The expression is:

3 - 3 * 6 + 2

First, you do the multiplication:

3 - (3 * 6) + 2 = 3 - 18 + 2

Then, subtract and add from left to right:

(3 - 18) + 2 = -15 + 2 = -13

So, the answer is -13.