We're dividing 39853143 by 492 
Let's see how many times 492 fits into 39853143.

On to step 1:
The number 492 fits into 3 0 times, leaving a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Take the next digit (9) from the dividend and append it to 3, then repeat: 39 / 492

Let's proceed to step 2:
492 can be fit into 39 0 times, resulting in a remainder of 39.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 39 leaves us with 39.
Fetch the next digit (8) from the dividend, attach it to 39 and continue: 398 / 492

Let's proceed to step 3:
398 divided by 492 is 0 with a remainder of 398.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 398 after subtracting 0 from 398.
Include the next digit (5) from the dividend after 398, then repeat: 3985 / 492

Moving on to step 4:
The number 492 fits into 3985 8 times, leaving a remainder of 49.
Write down 8 as next digit of the result. 
Result so far: 8.0
The remainder is 49 after subtracting 3936 from 3985.
Take the next digit (3) from the dividend and append it to 49, then repeat: 493 / 492

On to step 5:
493 divided by 492 is 1 with a remainder of 1.
Use 1 as the next digit of our solution. 
Result so far: 81.0
If we subtract 492 from 493, we get 1.
Fetch the next digit (1) from the dividend, attach it to 1 and continue: 11 / 492

On to step 6:
492 goes into 11 0 times with a remainder of 11.
Put 0 as the next digit of the answer. 
Result so far: 810.0
The remainder is 11 after subtracting 0 from 11.
Grab the next digit (4) from the dividend, add it to 11, then carry on: 114 / 492

Step 7:
114 divided by 492 is 0 with a remainder of 114.
Use 0 as the next digit of our solution. 
Result so far: 8100.0
The remainder is 114 after subtracting 0 from 114.
Fetch the next digit (3) from the dividend, attach it to 114 and continue: 1143 / 492

Let's proceed to step 8:
If we divide 1143 by 492, we get 2 and a remainder of 159.
The next digit of our result is 2. 
Result so far: 81002.0
Subtracting 984 from 1143 leaves us with 159.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

Going ahead to step 9:
492 goes into 1590 3 times with a remainder of 114.
Record the quotient 3 as the next digit in the result. 
Result so far: 81002.3
Subtracting 1476 from 1590 leaves us with 114.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1140, and continue the process.

Step 10:
When dividing 1140 by 492, we get 2 with a remainder of 156.
Record the quotient 2 as the next digit in the result. 
Result so far: 81002.32
Subtract 984 from 1140 to get 156.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Moving on to step 11:
When dividing 1560 by 492, we get 3 with a remainder of 84.
The number 3 becomes the next digit in our result. 
Result so far: 81002.323
Subtracting 1476 from 1560 leaves us with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Moving on to step 12:
840 divided by 492 is 1 with a remainder of 348.
The next digit of our result is 1. 
Result so far: 81002.3231
Deduct 492 from 840 and we're left with 348.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3480, and continue the process.

Advancing to step 13:
492 can be fit into 3480 7 times, resulting in a remainder of 36.
Write down 7 as next digit of the result. 
Result so far: 81002.32317
Subtracting 3444 from 3480 leaves us with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 14:
492 goes into 360 0 times with a remainder of 360.
Put 0 as the next digit of the answer. 
Result so far: 81002.32317
Deduct 0 from 360 and we're left with 360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3600, and continue the process.

Going ahead to step 15:
When dividing 3600 by 492, we get 7 with a remainder of 156.
The number 7 becomes the next digit in our result. 
Result so far: 81002.3231707
If we subtract 3444 from 3600, we get 156.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Advancing to step 16:
When dividing 1560 by 492, we get 3 with a remainder of 84.
The next digit of our result is 3. 
Result so far: 81002.32317073
If we take 1476 away from 1560, we end up with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

The final result is 81002.32317073 with a remainder of 8.4e-08.