We look at the division of 12196107 by 398 
We want to divide 12196107 by 398.

Going ahead to step 1:
The number 398 fits into 1 0 times, leaving a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 398

Let's proceed to step 2:
12 divided by 398 is 0 with a remainder of 12.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 12 after subtracting 0 from 12.
Fetch the next digit (1) from the dividend, attach it to 12 and continue: 121 / 398

Going ahead to step 3:
When dividing 121 by 398, we get 0 with a remainder of 121.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 121, we get 121.
Bring next digit (9) of the dividend behind the 121 and repeat the process: 1219 / 398

Let's proceed to step 4:
If we divide 1219 by 398, we get 3 and a remainder of 25.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
The remainder is 25 after subtracting 1194 from 1219.
Include the next digit (6) from the dividend after 25, then repeat: 256 / 398

Advancing to step 5:
256 divided by 398 is 0 with a remainder of 256.
Write down 0 as next digit of the result. 
Result so far: 30.0
If we subtract 0 from 256, we get 256.
Take the next digit (1) from the dividend and append it to 256, then repeat: 2561 / 398

Advancing to step 6:
2561 divided by 398 is 6 with a remainder of 173.
Record the quotient 6 as the next digit in the result. 
Result so far: 306.0
Subtracting 2388 from 2561 leaves us with 173.
Append the next digit (0) from the dividend to 173 and continue with: 1730 / 398

Advancing to step 7:
When dividing 1730 by 398, we get 4 with a remainder of 138.
The next digit of our result is 4. 
Result so far: 3064.0
If we subtract 1592 from 1730, we get 138.
Append the next digit (7) from the dividend to 138 and continue with: 1387 / 398

On to step 8:
398 can be fit into 1387 3 times, resulting in a remainder of 193.
Write down 3 as next digit of the result. 
Result so far: 30643.0
If we subtract 1194 from 1387, we get 193.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1930, and continue the process.

Moving on to step 9:
If we divide 1930 by 398, we get 4 and a remainder of 338.
Use 4 as the next digit of our solution. 
Result so far: 30643.4
The remainder is 338 after subtracting 1592 from 1930.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

On to step 10:
When dividing 3380 by 398, we get 8 with a remainder of 196.
Put 8 as the next digit of the answer. 
Result so far: 30643.48
If we subtract 3184 from 3380, we get 196.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

Moving on to step 11:
If we divide 1960 by 398, we get 4 and a remainder of 368.
The next digit of our result is 4. 
Result so far: 30643.484
Subtract 1592 from 1960 to get 368.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3680, and continue the process.

Advancing to step 12:
When dividing 3680 by 398, we get 9 with a remainder of 98.
Write down 9 as next digit of the result. 
Result so far: 30643.4849
If we subtract 3582 from 3680, we get 98.
Since there are no more digits in the dividend, we add a zero to the remainder making it 980, and continue the process.

Moving on to step 13:
980 divided by 398 is 2 with a remainder of 184.
Use 2 as the next digit of our solution. 
Result so far: 30643.48492
Deduct 796 from 980 and we're left with 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Going ahead to step 14:
If we divide 1840 by 398, we get 4 and a remainder of 248.
The number 4 becomes the next digit in our result. 
Result so far: 30643.484924
Deduct 1592 from 1840 and we're left with 248.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2480, and continue the process.

Step 15:
If we divide 2480 by 398, we get 6 and a remainder of 92.
Use 6 as the next digit of our solution. 
Result so far: 30643.4849246
Subtracting 2388 from 2480 leaves us with 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

On to step 16:
When dividing 920 by 398, we get 2 with a remainder of 124.
Put 2 as the next digit of the answer. 
Result so far: 30643.48492462
If we subtract 796 from 920, we get 124.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1240, and continue the process.

After the division, we end up with 30643.48492462 and a remainder of 1.24e-07.