We look at the division of 81021323 by 407 
Our goal is to divide 81021323 by 407.

Going ahead to step 1:
8 divided by 407 is 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Append the next digit (1) from the dividend to 8 and continue with: 81 / 407

Let's proceed to step 2:
The number 407 fits into 81 0 times, leaving a remainder of 81.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Append the next digit (0) from the dividend to 81 and continue with: 810 / 407

Advancing to step 3:
810 divided by 407 is 1 with a remainder of 403.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 407 from 810 leaves us with 403.
Bring next digit (2) of the dividend behind the 403 and repeat the process: 4032 / 407

Advancing to step 4:
The number 407 fits into 4032 9 times, leaving a remainder of 369.
The next digit of our result is 9. 
Result so far: 19.0
Subtracting 3663 from 4032 leaves us with 369.
Append the next digit (1) from the dividend to 369 and continue with: 3691 / 407

Let's proceed to step 5:
The number 407 fits into 3691 9 times, leaving a remainder of 28.
Put 9 as the next digit of the answer. 
Result so far: 199.0
If we take 3663 away from 3691, we end up with 28.
Fetch the next digit (3) from the dividend, attach it to 28 and continue: 283 / 407

Advancing to step 6:
407 can be fit into 283 0 times, resulting in a remainder of 283.
Use 0 as the next digit of our solution. 
Result so far: 1990.0
If we subtract 0 from 283, we get 283.
Grab the next digit (2) from the dividend, add it to 283, then carry on: 2832 / 407

Advancing to step 7:
407 can be fit into 2832 6 times, resulting in a remainder of 390.
Put 6 as the next digit of the answer. 
Result so far: 19906.0
The remainder is 390 after subtracting 2442 from 2832.
Take the next digit (3) from the dividend and append it to 390, then repeat: 3903 / 407

On to step 8:
3903 divided by 407 is 9 with a remainder of 240.
Use 9 as the next digit of our solution. 
Result so far: 199069.0
Subtracting 3663 from 3903 leaves us with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Moving on to step 9:
407 can be fit into 2400 5 times, resulting in a remainder of 365.
Use 5 as the next digit of our solution. 
Result so far: 199069.5
Deduct 2035 from 2400 and we're left with 365.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3650, and continue the process.

On to step 10:
407 can be fit into 3650 8 times, resulting in a remainder of 394.
Record the quotient 8 as the next digit in the result. 
Result so far: 199069.58
Subtracting 3256 from 3650 leaves us with 394.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3940, and continue the process.

Going ahead to step 11:
When dividing 3940 by 407, we get 9 with a remainder of 277.
The number 9 becomes the next digit in our result. 
Result so far: 199069.589
If we take 3663 away from 3940, we end up with 277.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2770, and continue the process.

Going ahead to step 12:
407 goes into 2770 6 times with a remainder of 328.
Write down 6 as next digit of the result. 
Result so far: 199069.5896
The remainder is 328 after subtracting 2442 from 2770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3280, and continue the process.

Advancing to step 13:
If we divide 3280 by 407, we get 8 and a remainder of 24.
Put 8 as the next digit of the answer. 
Result so far: 199069.58968
Subtracting 3256 from 3280 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

On to step 14:
If we divide 240 by 407, we get 0 and a remainder of 240.
The number 0 becomes the next digit in our result. 
Result so far: 199069.58968
Deduct 0 from 240 and we're left with 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Step 15:
When dividing 2400 by 407, we get 5 with a remainder of 365.
The next digit of our result is 5. 
Result so far: 199069.5896805
The remainder is 365 after subtracting 2035 from 2400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3650, and continue the process.

Moving on to step 16:
407 can be fit into 3650 8 times, resulting in a remainder of 394.
Record the quotient 8 as the next digit in the result. 
Result so far: 199069.58968058
Deduct 3256 from 3650 and we're left with 394.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3940, and continue the process.

Our division results in 199069.58968058 with a remaining 3.94e-07.