1. The problem is to perform the subtraction operation after migrating or moving values from one place to another. 2. Subtraction is defined as $a - b$, where $a$ is the minuend and $b$ is the subtrahend. 3. To subtract, align the numbers by their place values and subtract each digit starting from the rightmost digit. 4. If the digit in the minuend is smaller than the digit in the subtrahend, borrow 1 from the next left digit. 5. Perform the subtraction digit by digit until all digits are processed. 6. The result is the difference between the two numbers. Since the exact numbers are not provided, this is the general method to subtract after migrating values.