Not to worry, we've got 4022 and 5004. Let's get to adding them!

Step 1: We'll start by adding the digits 2 & 4 in column 1 and get 6.

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

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

Step 4: We'll start by adding the digits 4 & 5 in column 4 and get 9.

So, 4022 + 5004 = 9026.

