Let's solve this addition problem. We have 2532580000 and 7053110191, and we need to add them together.

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

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

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 0 & 0 in column 4 and get 0.

Step 5: We'll start by adding the digits 8 & 1 in column 5 and get 9.

Step 6: We'll start by adding the digits 5 & 1 in column 6 and get 6.

Step 7: We'll start by adding the digits 2 & 3 in column 7 and get 5.

Step 8: We'll start by adding the digits 3 & 5 in column 8 and get 8.

Step 9: We'll start by adding the digits 5 & 0 in column 9 and get 5.

Step 10: We'll start by adding the digits 2 & 7 in column 10 and get 9.

So, 2532580000 + 7053110191 = 9585690191.

