Not to worry, we've got 5344529244 and 2373030315. Let's get to adding them!

Step 1: We'll start by adding the digits 4 & 5 in column 1 and get 9.

Step 2: We'll start by adding the digits 4 & 1 in column 2 and get 5.

Step 3: We'll start by adding the digits 2 & 3 in column 3 and get 5.

Step 4: We'll start by adding the digits 9 & 0 in column 4 and get 9.

Step 5: We'll start by adding the digits 2 & 3 in column 5 and get 5.

Step 6: We'll start by adding the digits 5 & 0 in column 6 and get 5.

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

Step 8: We'll start by adding the digits 4 & 7 in column 8 and get 11.
We'll write down the last digit 1 and carry the 1 to the next column.

Step 9: We'll start by adding the digits 3 & 3 in column 9 and get 7.

Step 10: We'll start by adding the digits 5 & 2 in column 10 and get 7.

So, 5344529244 + 2373030315 = 7717559559.

