904198 ÷ 81 
Let's see how many times 81 fits into 904198.

Advancing to step 1:
If we divide 9 by 81, we get 0 and a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Append the next digit (0) from the dividend to 9 and continue with: 90 / 81

Step 2:
The number 81 fits into 90 1 times, leaving a remainder of 9.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 81 from 90 and we're left with 9.
Bring next digit (4) of the dividend behind the 9 and repeat the process: 94 / 81

Advancing to step 3:
The number 81 fits into 94 1 times, leaving a remainder of 13.
The number 1 becomes the next digit in our result. 
Result so far: 11.0
The remainder is 13 after subtracting 81 from 94.
Bring next digit (1) of the dividend behind the 13 and repeat the process: 131 / 81

Going ahead to step 4:
When dividing 131 by 81, we get 1 with a remainder of 50.
Put 1 as the next digit of the answer. 
Result so far: 111.0
Subtract 81 from 131 to get 50.
Bring next digit (9) of the dividend behind the 50 and repeat the process: 509 / 81

Let's proceed to step 5:
81 can be fit into 509 6 times, resulting in a remainder of 23.
Write down 6 as next digit of the result. 
Result so far: 1116.0
If we take 486 away from 509, we end up with 23.
Grab the next digit (8) from the dividend, add it to 23, then carry on: 238 / 81

Advancing to step 6:
81 can be fit into 238 2 times, resulting in a remainder of 76.
Write down 2 as next digit of the result. 
Result so far: 11162.0
If we take 162 away from 238, we end up with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Moving on to step 7:
81 goes into 760 9 times with a remainder of 31.
Record the quotient 9 as the next digit in the result. 
Result so far: 11162.9
Deduct 729 from 760 and we're left with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 8:
310 divided by 81 is 3 with a remainder of 67.
The next digit of our result is 3. 
Result so far: 11162.93
Deduct 243 from 310 and we're left with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Going ahead to step 9:
The number 81 fits into 670 8 times, leaving a remainder of 22.
Record the quotient 8 as the next digit in the result. 
Result so far: 11162.938
Subtracting 648 from 670 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 10:
If we divide 220 by 81, we get 2 and a remainder of 58.
The next digit of our result is 2. 
Result so far: 11162.9382
If we subtract 162 from 220, we get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Let's proceed to step 11:
81 goes into 580 7 times with a remainder of 13.
Record the quotient 7 as the next digit in the result. 
Result so far: 11162.93827
Subtract 567 from 580 to get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Advancing to step 12:
The number 81 fits into 130 1 times, leaving a remainder of 49.
Write down 1 as next digit of the result. 
Result so far: 11162.938271
Deduct 81 from 130 and we're left with 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Let's proceed to step 13:
The number 81 fits into 490 6 times, leaving a remainder of 4.
The number 6 becomes the next digit in our result. 
Result so far: 11162.9382716
If we take 486 away from 490, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 14:
40 divided by 81 is 0 with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 11162.9382716
If we subtract 0 from 40, we get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

After the division, we end up with 11162.9382716 and a remainder of 4e-08.