We look at the division of 1865165 by 403 
We're looking to find how many times 403 goes into 1865165.

Going ahead to step 1:
403 can be fit into 1 0 times, resulting in a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (8) from the dividend, add it to 1, then carry on: 18 / 403

Step 2:
When dividing 18 by 403, we get 0 with a remainder of 18.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 18 leaves us with 18.
Bring next digit (6) of the dividend behind the 18 and repeat the process: 186 / 403

Let's proceed to step 3:
186 divided by 403 is 0 with a remainder of 186.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 186 to get 186.
Grab the next digit (5) from the dividend, add it to 186, then carry on: 1865 / 403

Going ahead to step 4:
403 goes into 1865 4 times with a remainder of 253.
Write down 4 as next digit of the result. 
Result so far: 4.0
Subtracting 1612 from 1865 leaves us with 253.
Fetch the next digit (1) from the dividend, attach it to 253 and continue: 2531 / 403

Going ahead to step 5:
The number 403 fits into 2531 6 times, leaving a remainder of 113.
Write down 6 as next digit of the result. 
Result so far: 46.0
If we take 2418 away from 2531, we end up with 113.
Take the next digit (6) from the dividend and append it to 113, then repeat: 1136 / 403

Moving on to step 6:
403 goes into 1136 2 times with a remainder of 330.
The next digit of our result is 2. 
Result so far: 462.0
If we take 806 away from 1136, we end up with 330.
Fetch the next digit (5) from the dividend, attach it to 330 and continue: 3305 / 403

Going ahead to step 7:
3305 divided by 403 is 8 with a remainder of 81.
Write down 8 as next digit of the result. 
Result so far: 4628.0
Deduct 3224 from 3305 and we're left with 81.
Since there are no more digits in the dividend, we add a zero to the remainder making it 810, and continue the process.

Step 8:
810 divided by 403 is 2 with a remainder of 4.
The next digit of our result is 2. 
Result so far: 4628.2
If we subtract 806 from 810, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 9:
403 goes into 40 0 times with a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 4628.2
Deduct 0 from 40 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Step 10:
When dividing 400 by 403, we get 0 with a remainder of 400.
The next digit of our result is 0. 
Result so far: 4628.2
Subtract 0 from 400 to get 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

The final result is 4628.2 with a remainder of 0.04.