Ready to do some math? We're starting with 3006 and 6131 and adding them up.

Step 1: We'll start by adding the digits 6 & 1 in column 1 and get 7.

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

Step 3: We'll start by adding the digits 0 & 1 in column 3 and get 1.

Step 4: We'll start by adding the digits 3 & 6 in column 4 and get 9.

So, 3006 + 6131 = 9137.

