We're dividing 40019825 by 257 
We want to divide 40019825 by 257.

Advancing to step 1:
When dividing 4 by 257, we get 0 with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Take the next digit (0) from the dividend and append it to 4, then repeat: 40 / 257

Step 2:
257 goes into 40 0 times with a remainder of 40.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 40, we get 40.
Include the next digit (0) from the dividend after 40, then repeat: 400 / 257

Let's proceed to step 3:
400 divided by 257 is 1 with a remainder of 143.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 257 from 400 and we're left with 143.
Take the next digit (1) from the dividend and append it to 143, then repeat: 1431 / 257

Advancing to step 4:
1431 divided by 257 is 5 with a remainder of 146.
Write down 5 as next digit of the result. 
Result so far: 15.0
If we take 1285 away from 1431, we end up with 146.
Take the next digit (9) from the dividend and append it to 146, then repeat: 1469 / 257

Step 5:
If we divide 1469 by 257, we get 5 and a remainder of 184.
Use 5 as the next digit of our solution. 
Result so far: 155.0
The remainder is 184 after subtracting 1285 from 1469.
Include the next digit (8) from the dividend after 184, then repeat: 1848 / 257

On to step 6:
1848 divided by 257 is 7 with a remainder of 49.
The number 7 becomes the next digit in our result. 
Result so far: 1557.0
Deduct 1799 from 1848 and we're left with 49.
Include the next digit (2) from the dividend after 49, then repeat: 492 / 257

Let's proceed to step 7:
The number 257 fits into 492 1 times, leaving a remainder of 235.
Use 1 as the next digit of our solution. 
Result so far: 15571.0
The remainder is 235 after subtracting 257 from 492.
Append the next digit (5) from the dividend to 235 and continue with: 2355 / 257

Advancing to step 8:
257 can be fit into 2355 9 times, resulting in a remainder of 42.
Put 9 as the next digit of the answer. 
Result so far: 155719.0
Subtract 2313 from 2355 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.

Let's proceed to step 9:
When dividing 420 by 257, we get 1 with a remainder of 163.
Put 1 as the next digit of the answer. 
Result so far: 155719.1
Subtract 257 from 420 to get 163.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1630, and continue the process.

Advancing to step 10:
1630 divided by 257 is 6 with a remainder of 88.
Put 6 as the next digit of the answer. 
Result so far: 155719.16
The remainder is 88 after subtracting 1542 from 1630.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

Let's proceed to step 11:
880 divided by 257 is 3 with a remainder of 109.
Use 3 as the next digit of our solution. 
Result so far: 155719.163
The remainder is 109 after subtracting 771 from 880.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

Let's proceed to step 12:
1090 divided by 257 is 4 with a remainder of 62.
Record the quotient 4 as the next digit in the result. 
Result so far: 155719.1634
Deduct 1028 from 1090 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Let's proceed to step 13:
If we divide 620 by 257, we get 2 and a remainder of 106.
Use 2 as the next digit of our solution. 
Result so far: 155719.16342
Subtract 514 from 620 to get 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Let's proceed to step 14:
The number 257 fits into 1060 4 times, leaving a remainder of 32.
Use 4 as the next digit of our solution. 
Result so far: 155719.163424
Deduct 1028 from 1060 and we're left with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Step 15:
257 can be fit into 320 1 times, resulting in a remainder of 63.
Record the quotient 1 as the next digit in the result. 
Result so far: 155719.1634241
If we subtract 257 from 320, we get 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Moving on to step 16:
630 divided by 257 is 2 with a remainder of 116.
The number 2 becomes the next digit in our result. 
Result so far: 155719.16342412
Subtracting 514 from 630 leaves us with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

The final outcome is 155719.16342412, with a leftover of 1.16e-07.