We're dividing 554399 by 81 
We want to divide 554399 by 81.

Going ahead to step 1:
81 goes into 5 0 times with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Fetch the next digit (5) from the dividend, attach it to 5 and continue: 55 / 81

Advancing to step 2:
81 can be fit into 55 0 times, resulting in a remainder of 55.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 55 to get 55.
Grab the next digit (4) from the dividend, add it to 55, then carry on: 554 / 81

Moving on to step 3:
554 divided by 81 is 6 with a remainder of 68.
The next digit of our result is 6. 
Result so far: 6.0
Subtracting 486 from 554 leaves us with 68.
Grab the next digit (3) from the dividend, add it to 68, then carry on: 683 / 81

Let's proceed to step 4:
81 can be fit into 683 8 times, resulting in a remainder of 35.
The number 8 becomes the next digit in our result. 
Result so far: 68.0
If we take 648 away from 683, we end up with 35.
Grab the next digit (9) from the dividend, add it to 35, then carry on: 359 / 81

Step 5:
81 can be fit into 359 4 times, resulting in a remainder of 35.
Record the quotient 4 as the next digit in the result. 
Result so far: 684.0
Deduct 324 from 359 and we're left with 35.
Grab the next digit (9) from the dividend, add it to 35, then carry on: 359 / 81

Moving on to step 6:
When dividing 359 by 81, we get 4 with a remainder of 35.
Record the quotient 4 as the next digit in the result. 
Result so far: 6844.0
The remainder is 35 after subtracting 324 from 359.
Since there are no more digits in the dividend, we add a zero to the remainder making it 350, and continue the process.

Let's proceed to step 7:
When dividing 350 by 81, we get 4 with a remainder of 26.
The next digit of our result is 4. 
Result so far: 6844.4
If we subtract 324 from 350, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Let's proceed to step 8:
If we divide 260 by 81, we get 3 and a remainder of 17.
The next digit of our result is 3. 
Result so far: 6844.43
Subtract 243 from 260 to get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Advancing to step 9:
81 can be fit into 170 2 times, resulting in a remainder of 8.
The next digit of our result is 2. 
Result so far: 6844.432
Subtracting 162 from 170 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Advancing to step 10:
81 goes into 80 0 times with a remainder of 80.
The next digit of our result is 0. 
Result so far: 6844.432
Subtracting 0 from 80 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Moving on to step 11:
The number 81 fits into 800 9 times, leaving a remainder of 71.
Put 9 as the next digit of the answer. 
Result so far: 6844.43209
Subtract 729 from 800 to get 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Step 12:
81 goes into 710 8 times with a remainder of 62.
Write down 8 as next digit of the result. 
Result so far: 6844.432098
If we subtract 648 from 710, we get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Step 13:
81 goes into 620 7 times with a remainder of 53.
The number 7 becomes the next digit in our result. 
Result so far: 6844.4320987
Subtracting 567 from 620 leaves us with 53.
Since there are no more digits in the dividend, we add a zero to the remainder making it 530, and continue the process.

Advancing to step 14:
If we divide 530 by 81, we get 6 and a remainder of 44.
Record the quotient 6 as the next digit in the result. 
Result so far: 6844.43209876
The remainder is 44 after subtracting 486 from 530.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The final outcome is 6844.43209876, with a leftover of 4.4e-08.