Alright, let's solve this problem step by step. We have 6020 and 1021 and we're adding them together.

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

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

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 6 & 1 in column 4 and get 7.

So, 6020 + 1021 = 7041.

