Not to worry, we've got 3614044190 and 6221022707. Let's get to adding them!

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

Step 2: We'll start by adding the digits 9 & 0 in column 2 and get 9.

Step 3: We'll start by adding the digits 1 & 7 in column 3 and get 8.

Step 4: We'll start by adding the digits 4 & 2 in column 4 and get 6.

Step 5: We'll start by adding the digits 4 & 2 in column 5 and get 6.

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

Step 7: We'll start by adding the digits 4 & 1 in column 7 and get 5.

Step 8: We'll start by adding the digits 1 & 2 in column 8 and get 3.

Step 9: We'll start by adding the digits 6 & 2 in column 9 and get 8.

Step 10: We'll start by adding the digits 3 & 6 in column 10 and get 9.

So, 3614044190 + 6221022707 = 9835066897.

