81211800 divided by 419 
We're looking to find how many times 419 goes into 81211800.

Step 1:
When dividing 8 by 419, we get 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Include the next digit (1) from the dividend after 8, then repeat: 81 / 419

Going ahead to step 2:
419 can be fit into 81 0 times, resulting in a remainder of 81.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 81 and we're left with 81.
Include the next digit (2) from the dividend after 81, then repeat: 812 / 419

Step 3:
The number 419 fits into 812 1 times, leaving a remainder of 393.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 419 away from 812, we end up with 393.
Fetch the next digit (1) from the dividend, attach it to 393 and continue: 3931 / 419

On to step 4:
419 can be fit into 3931 9 times, resulting in a remainder of 160.
The number 9 becomes the next digit in our result. 
Result so far: 19.0
Deduct 3771 from 3931 and we're left with 160.
Bring next digit (1) of the dividend behind the 160 and repeat the process: 1601 / 419

Let's proceed to step 5:
419 goes into 1601 3 times with a remainder of 344.
Put 3 as the next digit of the answer. 
Result so far: 193.0
Deduct 1257 from 1601 and we're left with 344.
Include the next digit (8) from the dividend after 344, then repeat: 3448 / 419

Going ahead to step 6:
419 goes into 3448 8 times with a remainder of 96.
The next digit of our result is 8. 
Result so far: 1938.0
Subtract 3352 from 3448 to get 96.
Append the next digit (0) from the dividend to 96 and continue with: 960 / 419

Advancing to step 7:
When dividing 960 by 419, we get 2 with a remainder of 122.
Write down 2 as next digit of the result. 
Result so far: 19382.0
Deduct 838 from 960 and we're left with 122.
Fetch the next digit (0) from the dividend, attach it to 122 and continue: 1220 / 419

Moving on to step 8:
419 can be fit into 1220 2 times, resulting in a remainder of 382.
The number 2 becomes the next digit in our result. 
Result so far: 193822.0
If we take 838 away from 1220, we end up with 382.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

Advancing to step 9:
When dividing 3820 by 419, we get 9 with a remainder of 49.
The number 9 becomes the next digit in our result. 
Result so far: 193822.9
Subtracting 3771 from 3820 leaves us with 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Let's proceed to step 10:
The number 419 fits into 490 1 times, leaving a remainder of 71.
Record the quotient 1 as the next digit in the result. 
Result so far: 193822.91
If we take 419 away from 490, we end up with 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 11:
When dividing 710 by 419, we get 1 with a remainder of 291.
The next digit of our result is 1. 
Result so far: 193822.911
Subtracting 419 from 710 leaves us with 291.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2910, and continue the process.

The final result is 193822.911 with a remainder of 0.0291.