We look at the division of 22161 by 84 
We're looking to find how many times 84 goes into 22161.

Going ahead to step 1:
If we divide 2 by 84, we get 0 and a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Include the next digit (2) from the dividend after 2, then repeat: 22 / 84

Going ahead to step 2:
84 can be fit into 22 0 times, resulting in a remainder of 22.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 22, we get 22.
Take the next digit (1) from the dividend and append it to 22, then repeat: 221 / 84

Let's proceed to step 3:
84 can be fit into 221 2 times, resulting in a remainder of 53.
Use 2 as the next digit of our solution. 
Result so far: 2.0
If we subtract 168 from 221, we get 53.
Take the next digit (6) from the dividend and append it to 53, then repeat: 536 / 84

Step 4:
When dividing 536 by 84, we get 6 with a remainder of 32.
Record the quotient 6 as the next digit in the result. 
Result so far: 26.0
Subtracting 504 from 536 leaves us with 32.
Include the next digit (1) from the dividend after 32, then repeat: 321 / 84

Going ahead to step 5:
When dividing 321 by 84, we get 3 with a remainder of 69.
Write down 3 as next digit of the result. 
Result so far: 263.0
If we take 252 away from 321, we end up with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Moving on to step 6:
If we divide 690 by 84, we get 8 and a remainder of 18.
Write down 8 as next digit of the result. 
Result so far: 263.8
The remainder is 18 after subtracting 672 from 690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

On to step 7:
180 divided by 84 is 2 with a remainder of 12.
Write down 2 as next digit of the result. 
Result so far: 263.82
Deduct 168 from 180 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 8:
If we divide 120 by 84, we get 1 and a remainder of 36.
The number 1 becomes the next digit in our result. 
Result so far: 263.821
Subtract 84 from 120 to get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Going ahead to step 9:
84 can be fit into 360 4 times, resulting in a remainder of 24.
Write down 4 as next digit of the result. 
Result so far: 263.8214
Subtracting 336 from 360 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

On to step 10:
When dividing 240 by 84, we get 2 with a remainder of 72.
The number 2 becomes the next digit in our result. 
Result so far: 263.82142
Subtracting 168 from 240 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Going ahead to step 11:
720 divided by 84 is 8 with a remainder of 48.
Put 8 as the next digit of the answer. 
Result so far: 263.821428
Subtract 672 from 720 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Moving on to step 12:
84 can be fit into 480 5 times, resulting in a remainder of 60.
Record the quotient 5 as the next digit in the result. 
Result so far: 263.8214285
Subtracting 420 from 480 leaves us with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 13:
600 divided by 84 is 7 with a remainder of 12.
Use 7 as the next digit of our solution. 
Result so far: 263.82142857
Subtract 588 from 600 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The final outcome is 263.82142857, with a leftover of 1.2e-08.