Not to worry, we've got 3002 and 1073. Let's get to adding them!

Step 1: We'll start by adding the digits 2 & 3 in column 1 and get 5.

Step 2: We'll start by adding the digits 0 & 7 in column 2 and get 7.

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 3 & 1 in column 4 and get 4.

So, 3002 + 1073 = 4075.

