OK, let's do this. We've got 4924334682 and 7106077088 and we're adding them all together.

Step 1: We'll start by adding the digits 2 & 8 in column 1 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

Step 2: We'll start by adding the digits 8 & 8 in column 2 and get 17.
We'll write down the last digit 7 and carry the 1 to the next column.

Step 3: We'll start by adding the digits 6 & 0 in column 3 and get 7.

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

Step 5: We'll start by adding the digits 3 & 7 in column 5 and get 11.
We'll write down the last digit 1 and carry the 1 to the next column.

Step 6: We'll start by adding the digits 3 & 0 in column 6 and get 4.

Step 7: We'll start by adding the digits 4 & 6 in column 7 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

Step 8: We'll start by adding the digits 2 & 0 in column 8 and get 3.

Step 9: We'll start by adding the digits 9 & 1 in column 9 and get 10.
We'll write down the last digit 0 and carry the 1 to the next column.

Step 10: We'll start by adding the digits 4 & 7 in column 10 and get 12.
We'll write down the last digit 2 and carry the 1 to the next column.

So, 4924334682 + 7106077088 = 12030411770.

