81651948 ÷ 800 
We want to figure out the number of times 81651948 can be divided by 800.

Going ahead to step 1:
The number 800 fits into 8 0 times, leaving a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Fetch the next digit (1) from the dividend, attach it to 8 and continue: 81 / 800

On to step 2:
800 goes into 81 0 times with a remainder of 81.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 81 leaves us with 81.
Fetch the next digit (6) from the dividend, attach it to 81 and continue: 816 / 800

Step 3:
800 goes into 816 1 times with a remainder of 16.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 800 from 816 and we're left with 16.
Bring next digit (5) of the dividend behind the 16 and repeat the process: 165 / 800

Going ahead to step 4:
800 goes into 165 0 times with a remainder of 165.
Put 0 as the next digit of the answer. 
Result so far: 10.0
Subtracting 0 from 165 leaves us with 165.
Append the next digit (1) from the dividend to 165 and continue with: 1651 / 800

Moving on to step 5:
When dividing 1651 by 800, we get 2 with a remainder of 51.
Write down 2 as next digit of the result. 
Result so far: 102.0
Subtract 1600 from 1651 to get 51.
Bring next digit (9) of the dividend behind the 51 and repeat the process: 519 / 800

On to step 6:
The number 800 fits into 519 0 times, leaving a remainder of 519.
Write down 0 as next digit of the result. 
Result so far: 1020.0
Subtract 0 from 519 to get 519.
Fetch the next digit (4) from the dividend, attach it to 519 and continue: 5194 / 800

Advancing to step 7:
When dividing 5194 by 800, we get 6 with a remainder of 394.
Use 6 as the next digit of our solution. 
Result so far: 10206.0
If we subtract 4800 from 5194, we get 394.
Take the next digit (8) from the dividend and append it to 394, then repeat: 3948 / 800

Advancing to step 8:
If we divide 3948 by 800, we get 4 and a remainder of 748.
The next digit of our result is 4. 
Result so far: 102064.0
Deduct 3200 from 3948 and we're left with 748.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7480, and continue the process.

Moving on to step 9:
800 goes into 7480 9 times with a remainder of 280.
The next digit of our result is 9. 
Result so far: 102064.9
Subtract 7200 from 7480 to get 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Going ahead to step 10:
The number 800 fits into 2800 3 times, leaving a remainder of 400.
Write down 3 as next digit of the result. 
Result so far: 102064.93
Deduct 2400 from 2800 and we're left with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Going ahead to step 11:
When dividing 4000 by 800, we get 5 with a remainder of 0.
The next digit of our result is 5. 
Result so far: 102064.935
If we subtract 4000 from 4000, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 12:
800 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 102064.935
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 13:
When dividing 0 by 800, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 102064.935
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 102064.935 with a balance of 0.0.