Ready to do some math? We're starting with 1267 and 4001 and adding them up.

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

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

Step 3: We'll start by adding the digits 2 & 0 in column 3 and get 2.

Step 4: We'll start by adding the digits 1 & 4 in column 4 and get 5.

So, 1267 + 4001 = 5268.

