We're dividing 21611097 by 161 
We want to divide 21611097 by 161.

Advancing to step 1:
When dividing 2 by 161, we get 0 with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 161

Step 2:
161 goes into 21 0 times with a remainder of 21.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Fetch the next digit (6) from the dividend, attach it to 21 and continue: 216 / 161

Advancing to step 3:
161 goes into 216 1 times with a remainder of 55.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we subtract 161 from 216, we get 55.
Fetch the next digit (1) from the dividend, attach it to 55 and continue: 551 / 161

On to step 4:
If we divide 551 by 161, we get 3 and a remainder of 68.
Record the quotient 3 as the next digit in the result. 
Result so far: 13.0
Subtracting 483 from 551 leaves us with 68.
Grab the next digit (1) from the dividend, add it to 68, then carry on: 681 / 161

Step 5:
If we divide 681 by 161, we get 4 and a remainder of 37.
Use 4 as the next digit of our solution. 
Result so far: 134.0
If we subtract 644 from 681, we get 37.
Fetch the next digit (0) from the dividend, attach it to 37 and continue: 370 / 161

Going ahead to step 6:
The number 161 fits into 370 2 times, leaving a remainder of 48.
Put 2 as the next digit of the answer. 
Result so far: 1342.0
The remainder is 48 after subtracting 322 from 370.
Grab the next digit (9) from the dividend, add it to 48, then carry on: 489 / 161

On to step 7:
If we divide 489 by 161, we get 3 and a remainder of 6.
Use 3 as the next digit of our solution. 
Result so far: 13423.0
Subtract 483 from 489 to get 6.
Fetch the next digit (7) from the dividend, attach it to 6 and continue: 67 / 161

Let's proceed to step 8:
When dividing 67 by 161, we get 0 with a remainder of 67.
Put 0 as the next digit of the answer. 
Result so far: 134230.0
If we take 0 away from 67, we end up 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.

Moving on to step 9:
161 goes into 670 4 times with a remainder of 26.
Record the quotient 4 as the next digit in the result. 
Result so far: 134230.4
The remainder is 26 after subtracting 644 from 670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 10:
161 can be fit into 260 1 times, resulting in a remainder of 99.
The number 1 becomes the next digit in our result. 
Result so far: 134230.41
If we subtract 161 from 260, we get 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Step 11:
The number 161 fits into 990 6 times, leaving a remainder of 24.
Record the quotient 6 as the next digit in the result. 
Result so far: 134230.416
Subtract 966 from 990 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Let's proceed to step 12:
The number 161 fits into 240 1 times, leaving a remainder of 79.
Put 1 as the next digit of the answer. 
Result so far: 134230.4161
The remainder is 79 after subtracting 161 from 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Going ahead to step 13:
790 divided by 161 is 4 with a remainder of 146.
Put 4 as the next digit of the answer. 
Result so far: 134230.41614
Deduct 644 from 790 and we're left with 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Moving on to step 14:
161 goes into 1460 9 times with a remainder of 11.
The number 9 becomes the next digit in our result. 
Result so far: 134230.416149
If we subtract 1449 from 1460, 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.

Let's proceed to step 15:
161 can be fit into 110 0 times, resulting in a remainder of 110.
Record the quotient 0 as the next digit in the result. 
Result so far: 134230.416149
Deduct 0 from 110 and we're left with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Moving on to step 16:
1100 divided by 161 is 6 with a remainder of 134.
The number 6 becomes the next digit in our result. 
Result so far: 134230.41614906
If we subtract 966 from 1100, we get 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

The final outcome is 134230.41614906, with a leftover of 1.34e-07.