Alright, let's solve this problem step by step. We have 7076 and 1003 and we're adding them together.

Step 1: We'll start by adding the digits 6 & 3 in column 1 and get 9.

Step 2: We'll start by adding the digits 7 & 0 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 7 & 1 in column 4 and get 8.

So, 7076 + 1003 = 8079.

