We divide 81920351 by 310
We're looking to find how many times 310 goes into 81920351.

Step 1:
310 goes into 8 0 times with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 310

On to step 2:
When dividing 81 by 310, we get 0 with a remainder of 81.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Grab the next digit (9) from the dividend, add it to 81, then carry on: 819 / 310

On to step 3:
310 can be fit into 819 2 times, resulting in a remainder of 199.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtract 620 from 819 to get 199.
Include the next digit (2) from the dividend after 199, then repeat: 1992 / 310

Moving on to step 4:
When dividing 1992 by 310, we get 6 with a remainder of 132.
Use 6 as the next digit of our solution. 
Result so far: 26.0
Deduct 1860 from 1992 and we're left with 132.
Fetch the next digit (0) from the dividend, attach it to 132 and continue: 1320 / 310

On to step 5:
The number 310 fits into 1320 4 times, leaving a remainder of 80.
Write down 4 as next digit of the result. 
Result so far: 264.0
If we take 1240 away from 1320, we end up with 80.
Fetch the next digit (3) from the dividend, attach it to 80 and continue: 803 / 310

Going ahead to step 6:
310 can be fit into 803 2 times, resulting in a remainder of 183.
The next digit of our result is 2. 
Result so far: 2642.0
Deduct 620 from 803 and we're left with 183.
Grab the next digit (5) from the dividend, add it to 183, then carry on: 1835 / 310

Let's proceed to step 7:
310 can be fit into 1835 5 times, resulting in a remainder of 285.
The number 5 becomes the next digit in our result. 
Result so far: 26425.0
Deduct 1550 from 1835 and we're left with 285.
Bring next digit (1) of the dividend behind the 285 and repeat the process: 2851 / 310

Advancing to step 8:
310 goes into 2851 9 times with a remainder of 61.
The next digit of our result is 9. 
Result so far: 264259.0
The remainder is 61 after subtracting 2790 from 2851.
Since there are no more digits in the dividend, we add a zero to the remainder making it 610, and continue the process.

Step 9:
When dividing 610 by 310, we get 1 with a remainder of 300.
The next digit of our result is 1. 
Result so far: 264259.1
If we take 310 away from 610, we end up with 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Step 10:
The number 310 fits into 3000 9 times, leaving a remainder of 210.
Write down 9 as next digit of the result. 
Result so far: 264259.19
The remainder is 210 after subtracting 2790 from 3000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2100, and continue the process.

Moving on to step 11:
When dividing 2100 by 310, we get 6 with a remainder of 240.
The next digit of our result is 6. 
Result so far: 264259.196
If we subtract 1860 from 2100, we get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Advancing to step 12:
The number 310 fits into 2400 7 times, leaving a remainder of 230.
The next digit of our result is 7. 
Result so far: 264259.1967
The remainder is 230 after subtracting 2170 from 2400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Let's proceed to step 13:
When dividing 2300 by 310, we get 7 with a remainder of 130.
Record the quotient 7 as the next digit in the result. 
Result so far: 264259.19677
Subtract 2170 from 2300 to get 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

In conclusion, the division gives 264259.19677 with a balance of 0.00013.