21122070 ÷ 126 
Let's see how many times 126 fits into 21122070.

Moving on to step 1:
The number 126 fits into 2 0 times, leaving a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 126

Let's proceed to step 2:
If we divide 21 by 126, we get 0 and a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Grab the next digit (1) from the dividend, add it to 21, then carry on: 211 / 126

Advancing to step 3:
If we divide 211 by 126, we get 1 and a remainder of 85.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtracting 126 from 211 leaves us with 85.
Append the next digit (2) from the dividend to 85 and continue with: 852 / 126

Going ahead to step 4:
The number 126 fits into 852 6 times, leaving a remainder of 96.
Put 6 as the next digit of the answer. 
Result so far: 16.0
Subtract 756 from 852 to get 96.
Grab the next digit (2) from the dividend, add it to 96, then carry on: 962 / 126

Step 5:
The number 126 fits into 962 7 times, leaving a remainder of 80.
Use 7 as the next digit of our solution. 
Result so far: 167.0
If we subtract 882 from 962, we get 80.
Take the next digit (0) from the dividend and append it to 80, then repeat: 800 / 126

On to step 6:
800 divided by 126 is 6 with a remainder of 44.
The next digit of our result is 6. 
Result so far: 1676.0
If we subtract 756 from 800, we get 44.
Bring next digit (7) of the dividend behind the 44 and repeat the process: 447 / 126

Advancing to step 7:
The number 126 fits into 447 3 times, leaving a remainder of 69.
Put 3 as the next digit of the answer. 
Result so far: 16763.0
Subtracting 378 from 447 leaves us with 69.
Bring next digit (0) of the dividend behind the 69 and repeat the process: 690 / 126

Step 8:
126 goes into 690 5 times with a remainder of 60.
Record the quotient 5 as the next digit in the result. 
Result so far: 167635.0
Subtracting 630 from 690 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.

Step 9:
126 goes into 600 4 times with a remainder of 96.
Record the quotient 4 as the next digit in the result. 
Result so far: 167635.4
The remainder is 96 after subtracting 504 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

Moving on to step 10:
If we divide 960 by 126, we get 7 and a remainder of 78.
The number 7 becomes the next digit in our result. 
Result so far: 167635.47
If we subtract 882 from 960, we get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Going ahead to step 11:
126 can be fit into 780 6 times, resulting in a remainder of 24.
Put 6 as the next digit of the answer. 
Result so far: 167635.476
Deduct 756 from 780 and we're left 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.

Advancing to step 12:
126 can be fit into 240 1 times, resulting in a remainder of 114.
The next digit of our result is 1. 
Result so far: 167635.4761
Subtracting 126 from 240 leaves us with 114.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1140, and continue the process.

On to step 13:
The number 126 fits into 1140 9 times, leaving a remainder of 6.
Record the quotient 9 as the next digit in the result. 
Result so far: 167635.47619
If we take 1134 away from 1140, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 14:
60 divided by 126 is 0 with a remainder of 60.
Use 0 as the next digit of our solution. 
Result so far: 167635.47619
If we subtract 0 from 60, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 15:
126 can be fit into 600 4 times, resulting in a remainder of 96.
The next digit of our result is 4. 
Result so far: 167635.4761904
If we subtract 504 from 600, we get 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

On to step 16:
126 can be fit into 960 7 times, resulting in a remainder of 78.
The next digit of our result is 7. 
Result so far: 167635.47619047
Subtract 882 from 960 to get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

The final result is 167635.47619047 with a remainder of 7.8e-08.