Alright, let's solve this problem step by step. We have 3004 and 6063 and we're adding them together.

Step 1: We'll start by adding the digits 4 & 3 in column 1 and get 7.

Step 2: We'll start by adding the digits 0 & 6 in column 2 and get 6.

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 & 6 in column 4 and get 9.

So, 3004 + 6063 = 9067.

