Let's break this down. We're going to add 3031 and 6352 together.

Step 1: We'll start by adding the digits 1 & 2 in column 1 and get 3.

Step 2: We'll start by adding the digits 3 & 5 in column 2 and get 8.

Step 3: We'll start by adding the digits 0 & 3 in column 3 and get 3.

Step 4: We'll start by adding the digits 3 & 6 in column 4 and get 9.

So, 3031 + 6352 = 9383.

