We look at the division of 54977 by 21 
We want to figure out the number of times 54977 can be divided by 21.

Let's proceed to step 1:
21 can be fit into 5 0 times, resulting in 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.
Bring next digit (4) of the dividend behind the 5 and repeat the process: 54 / 21

Moving on to step 2:
21 can be fit into 54 2 times, resulting in a remainder of 12.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtracting 42 from 54 leaves us with 12.
Bring next digit (9) of the dividend behind the 12 and repeat the process: 129 / 21

Advancing to step 3:
When dividing 129 by 21, we get 6 with a remainder of 3.
The number 6 becomes the next digit in our result. 
Result so far: 26.0
If we take 126 away from 129, we end up with 3.
Include the next digit (7) from the dividend after 3, then repeat: 37 / 21

Step 4:
37 divided by 21 is 1 with a remainder of 16.
Write down 1 as next digit of the result. 
Result so far: 261.0
If we take 21 away from 37, we end up with 16.
Bring next digit (7) of the dividend behind the 16 and repeat the process: 167 / 21

Going ahead to step 5:
167 divided by 21 is 7 with a remainder of 20.
The number 7 becomes the next digit in our result. 
Result so far: 2617.0
If we take 147 away from 167, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 6:
When dividing 200 by 21, we get 9 with a remainder of 11.
Use 9 as the next digit of our solution. 
Result so far: 2617.9
The remainder is 11 after subtracting 189 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Going ahead to step 7:
110 divided by 21 is 5 with a remainder of 5.
The number 5 becomes the next digit in our result. 
Result so far: 2617.95
Subtract 105 from 110 to get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 8:
21 goes into 50 2 times with a remainder of 8.
Use 2 as the next digit of our solution. 
Result so far: 2617.952
If we take 42 away from 50, we end up 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 9:
21 can be fit into 80 3 times, resulting in a remainder of 17.
Put 3 as the next digit of the answer. 
Result so far: 2617.9523
The remainder is 17 after subtracting 63 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Moving on to step 10:
21 can be fit into 170 8 times, resulting in a remainder of 2.
Put 8 as the next digit of the answer. 
Result so far: 2617.95238
Subtract 168 from 170 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 11:
If we divide 20 by 21, we get 0 and a remainder of 20.
The next digit of our result is 0. 
Result so far: 2617.95238
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 12:
21 can be fit into 200 9 times, resulting in a remainder of 11.
Put 9 as the next digit of the answer. 
Result so far: 2617.9523809
If we subtract 189 from 200, we get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 13:
21 can be fit into 110 5 times, resulting in a remainder of 5.
The number 5 becomes the next digit in our result. 
Result so far: 2617.95238095
Deduct 105 from 110 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

The final result is 2617.95238095 with a remainder of 5e-09.