We're dividing 12873727 by 621 
Let's see how many times 621 fits into 12873727.

Advancing to step 1:
1 divided by 621 is 0 with a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Take the next digit (2) from the dividend and append it to 1, then repeat: 12 / 621

On to step 2:
621 goes into 12 0 times with a remainder of 12.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 12 leaves us with 12.
Grab the next digit (8) from the dividend, add it to 12, then carry on: 128 / 621

Advancing to step 3:
128 divided by 621 is 0 with a remainder of 128.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 128, we get 128.
Fetch the next digit (7) from the dividend, attach it to 128 and continue: 1287 / 621

On to step 4:
When dividing 1287 by 621, we get 2 with a remainder of 45.
Use 2 as the next digit of our solution. 
Result so far: 2.0
The remainder is 45 after subtracting 1242 from 1287.
Bring next digit (3) of the dividend behind the 45 and repeat the process: 453 / 621

Going ahead to step 5:
453 divided by 621 is 0 with a remainder of 453.
Put 0 as the next digit of the answer. 
Result so far: 20.0
Subtract 0 from 453 to get 453.
Fetch the next digit (7) from the dividend, attach it to 453 and continue: 4537 / 621

Advancing to step 6:
The number 621 fits into 4537 7 times, leaving a remainder of 190.
Put 7 as the next digit of the answer. 
Result so far: 207.0
If we subtract 4347 from 4537, we get 190.
Take the next digit (2) from the dividend and append it to 190, then repeat: 1902 / 621

On to step 7:
If we divide 1902 by 621, we get 3 and a remainder of 39.
The number 3 becomes the next digit in our result. 
Result so far: 2073.0
If we subtract 1863 from 1902, we get 39.
Grab the next digit (7) from the dividend, add it to 39, then carry on: 397 / 621

Let's proceed to step 8:
The number 621 fits into 397 0 times, leaving a remainder of 397.
Record the quotient 0 as the next digit in the result. 
Result so far: 20730.0
The remainder is 397 after subtracting 0 from 397.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3970, and continue the process.

Moving on to step 9:
If we divide 3970 by 621, we get 6 and a remainder of 244.
Use 6 as the next digit of our solution. 
Result so far: 20730.6
If we take 3726 away from 3970, we end up with 244.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2440, and continue the process.

On to step 10:
2440 divided by 621 is 3 with a remainder of 577.
Use 3 as the next digit of our solution. 
Result so far: 20730.63
Subtracting 1863 from 2440 leaves us with 577.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5770, and continue the process.

Moving on to step 11:
5770 divided by 621 is 9 with a remainder of 181.
The number 9 becomes the next digit in our result. 
Result so far: 20730.639
Subtract 5589 from 5770 to get 181.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1810, and continue the process.

Moving on to step 12:
The number 621 fits into 1810 2 times, leaving a remainder of 568.
Use 2 as the next digit of our solution. 
Result so far: 20730.6392
Deduct 1242 from 1810 and we're left with 568.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5680, and continue the process.

On to step 13:
621 goes into 5680 9 times with a remainder of 91.
Write down 9 as next digit of the result. 
Result so far: 20730.63929
If we take 5589 away from 5680, we end up with 91.
Since there are no more digits in the dividend, we add a zero to the remainder making it 910, and continue the process.

Moving on to step 14:
621 goes into 910 1 times with a remainder of 289.
Write down 1 as next digit of the result. 
Result so far: 20730.639291
If we subtract 621 from 910, we get 289.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2890, and continue the process.

Advancing to step 15:
When dividing 2890 by 621, we get 4 with a remainder of 406.
Use 4 as the next digit of our solution. 
Result so far: 20730.6392914
Deduct 2484 from 2890 and we're left with 406.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4060, and continue the process.

Step 16:
When dividing 4060 by 621, we get 6 with a remainder of 334.
Write down 6 as next digit of the result. 
Result so far: 20730.63929146
Subtracting 3726 from 4060 leaves us with 334.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3340, and continue the process.

Our division results in 20730.63929146 with a remaining 3.34e-07.