81556612 divided by 398 
We want to divide 81556612 by 398.

Let's proceed to step 1:
398 goes into 8 0 times with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Bring next digit (1) of the dividend behind the 8 and repeat the process: 81 / 398

Step 2:
The number 398 fits into 81 0 times, leaving a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Fetch the next digit (5) from the dividend, attach it to 81 and continue: 815 / 398

Let's proceed to step 3:
The number 398 fits into 815 2 times, leaving a remainder of 19.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Subtract 796 from 815 to get 19.
Bring next digit (5) of the dividend behind the 19 and repeat the process: 195 / 398

Moving on to step 4:
398 goes into 195 0 times with a remainder of 195.
Record the quotient 0 as the next digit in the result. 
Result so far: 20.0
The remainder is 195 after subtracting 0 from 195.
Fetch the next digit (6) from the dividend, attach it to 195 and continue: 1956 / 398

Advancing to step 5:
398 can be fit into 1956 4 times, resulting in a remainder of 364.
The next digit of our result is 4. 
Result so far: 204.0
If we take 1592 away from 1956, we end up with 364.
Include the next digit (6) from the dividend after 364, then repeat: 3646 / 398

Step 6:
When dividing 3646 by 398, we get 9 with a remainder of 64.
The next digit of our result is 9. 
Result so far: 2049.0
If we subtract 3582 from 3646, we get 64.
Grab the next digit (1) from the dividend, add it to 64, then carry on: 641 / 398

Advancing to step 7:
When dividing 641 by 398, we get 1 with a remainder of 243.
Put 1 as the next digit of the answer. 
Result so far: 20491.0
Subtracting 398 from 641 leaves us with 243.
Grab the next digit (2) from the dividend, add it to 243, then carry on: 2432 / 398

Moving on to step 8:
398 can be fit into 2432 6 times, resulting in a remainder of 44.
Write down 6 as next digit of the result. 
Result so far: 204916.0
If we take 2388 away from 2432, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Going ahead to step 9:
When dividing 440 by 398, we get 1 with a remainder of 42.
The next digit of our result is 1. 
Result so far: 204916.1
Subtract 398 from 440 to get 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 10:
The number 398 fits into 420 1 times, leaving a remainder of 22.
Put 1 as the next digit of the answer. 
Result so far: 204916.11
Subtracting 398 from 420 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

The final outcome is 204916.11, with a leftover of 0.022.