No problem, let's work through this together. We're starting with 5220 and 1017 and adding them all up.

Step 1: We'll start by adding the digits 0 & 7 in column 1 and get 7.

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

Step 3: We'll start by adding the digits 2 & 0 in column 3 and get 2.

Step 4: We'll start by adding the digits 5 & 1 in column 4 and get 6.

So, 5220 + 1017 = 6237.

