Here we go! We're going to add 9021 and 206 together.

Step 1: We'll start by adding the digits 1 & 6 in column 1 and get 7.

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 & 2 in column 3 and get 2.

Step 4: We'll start by adding the digits 9 & 0 in column 4 and get 9.

So, 9021 + 206 = 9227.

