How does the counting principle when determining the sample space of a probability

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

What is 1/2 x (6 x 4)+3 + 2 show your work

Anyone know? will mark brainliest if correct!