No problem, let's work through this together. We're starting with 98665930 and are subtracting 61266041 from it.

Step 1: We'll start by subtracting the digit 1 and the borrow 0 from 0 in column 1 and get -1.
We add -1 to 10 and get 9 as the first digit of the result.

Step 2: We'll start by subtracting the digit 4 and the borrow 1 from 3 in column 2 and get -2.
We add -2 to 10 and get 8 as the next digit of the result.

Step 3: We'll start by subtracting the digit 0 and the borrow 1 from 9 in column 3 and get 8.
8 is the next digit of our result.

Step 4: We'll start by subtracting the digit 6 and the borrow 0 from 5 in column 4 and get -1.
We add -1 to 10 and get 9 as the next digit of the result.

Step 5: We'll start by subtracting the digit 6 and the borrow 1 from 6 in column 5 and get -1.
We add -1 to 10 and get 9 as the next digit of the result.

Step 6: We'll start by subtracting the digit 2 and the borrow 1 from 6 in column 6 and get 3.
3 is the next digit of our result.

Step 7: We'll start by subtracting the digit 1 and the borrow 0 from 8 in column 7 and get 7.
7 is the next digit of our result.

Step 8: We'll start by subtracting the digit 6 and the borrow 0 from 9 in column 8 and get 3.
3 is the next digit of our result.

So, 98665930 - 61266041 = 37399889.