198161 ÷ 25 
Let's see how many times 25 fits into 198161.

Advancing to step 1:
The number 25 fits into 1 0 times, leaving a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 25

On to step 2:
25 goes into 19 0 times with a remainder of 19.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 19 to get 19.
Bring next digit (8) of the dividend behind the 19 and repeat the process: 198 / 25

Step 3:
25 goes into 198 7 times with a remainder of 23.
Use 7 as the next digit of our solution. 
Result so far: 7.0
The remainder is 23 after subtracting 175 from 198.
Fetch the next digit (1) from the dividend, attach it to 23 and continue: 231 / 25

Going ahead to step 4:
When dividing 231 by 25, we get 9 with a remainder of 6.
Use 9 as the next digit of our solution. 
Result so far: 79.0
Subtracting 225 from 231 leaves us with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 25

Let's proceed to step 5:
The number 25 fits into 66 2 times, leaving a remainder of 16.
Write down 2 as next digit of the result. 
Result so far: 792.0
The remainder is 16 after subtracting 50 from 66.
Append the next digit (1) from the dividend to 16 and continue with: 161 / 25

Moving on to step 6:
25 can be fit into 161 6 times, resulting in a remainder of 11.
Use 6 as the next digit of our solution. 
Result so far: 7926.0
Subtracting 150 from 161 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 7:
When dividing 110 by 25, we get 4 with a remainder of 10.
The number 4 becomes the next digit in our result. 
Result so far: 7926.4
Subtracting 100 from 110 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 8:
If we divide 100 by 25, we get 4 and a remainder of 0.
The next digit of our result is 4. 
Result so far: 7926.44
Subtracting 100 from 100 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 7926.44 and a remainder of 0.0.