Okay, let's tackle this math problem. We're starting with 38468690 and subtracting 27257534.

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

Step 2: We'll start by subtracting the digit 3 and the borrow 1 from 9 in column 2 and get 5.
5 is the next digit of our result.

Step 3: We'll start by subtracting the digit 5 and the borrow 0 from 6 in column 3 and get 1.
1 is the next digit of our result.

Step 4: We'll start by subtracting the digit 7 and the borrow 0 from 8 in column 4 and get 1.
1 is the next digit of our result.

Step 5: We'll start by subtracting the digit 5 and the borrow 0 from 6 in column 5 and get 1.
1 is the next digit of our result.

Step 6: We'll start by subtracting the digit 2 and the borrow 0 from 4 in column 6 and get 2.
2 is the next digit of our result.

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

Step 8: We'll start by subtracting the digit 2 and the borrow 0 from 3 in column 8 and get 1.
1 is the next digit of our result.

So, 38468690 - 27257534 = 11211156.