Not to worry, we've got 208 and 721. Let's get to adding them!

Step 1: We'll start by adding the digits 8 & 1 in column 1 and get 9.

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

Step 3: We'll start by adding the digits 2 & 7 in column 3 and get 9.

So, 208 + 721 = 929.

