81149280 ÷ 128 
We want to divide 81149280 by 128.

Advancing to step 1:
8 divided by 128 is 0 with a remainder of 8.
Record the quotient 0 as the next digit in the 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 / 128

Going ahead to step 2:
The number 128 fits into 81 0 times, leaving a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 81 after subtracting 0 from 81.
Fetch the next digit (1) from the dividend, attach it to 81 and continue: 811 / 128

Let's proceed to step 3:
If we divide 811 by 128, we get 6 and a remainder of 43.
Put 6 as the next digit of the answer. 
Result so far: 6.0
The remainder is 43 after subtracting 768 from 811.
Append the next digit (4) from the dividend to 43 and continue with: 434 / 128

Moving on to step 4:
The number 128 fits into 434 3 times, leaving a remainder of 50.
Write down 3 as next digit of the result. 
Result so far: 63.0
If we take 384 away from 434, we end up with 50.
Fetch the next digit (9) from the dividend, attach it to 50 and continue: 509 / 128

Advancing to step 5:
When dividing 509 by 128, we get 3 with a remainder of 125.
Record the quotient 3 as the next digit in the result. 
Result so far: 633.0
If we subtract 384 from 509, we get 125.
Append the next digit (2) from the dividend to 125 and continue with: 1252 / 128

Going ahead to step 6:
If we divide 1252 by 128, we get 9 and a remainder of 100.
Use 9 as the next digit of our solution. 
Result so far: 6339.0
Subtracting 1152 from 1252 leaves us with 100.
Fetch the next digit (8) from the dividend, attach it to 100 and continue: 1008 / 128

Moving on to step 7:
1008 divided by 128 is 7 with a remainder of 112.
Use 7 as the next digit of our solution. 
Result so far: 63397.0
If we take 896 away from 1008, we end up with 112.
Bring next digit (0) of the dividend behind the 112 and repeat the process: 1120 / 128

Going ahead to step 8:
If we divide 1120 by 128, we get 8 and a remainder of 96.
Put 8 as the next digit of the answer. 
Result so far: 633978.0
Subtract 1024 from 1120 to 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 9:
The number 128 fits into 960 7 times, leaving a remainder of 64.
Put 7 as the next digit of the answer. 
Result so far: 633978.7
The remainder is 64 after subtracting 896 from 960.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Going ahead to step 10:
640 divided by 128 is 5 with a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 633978.75
Subtract 640 from 640 to 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.

Step 11:
0 divided by 128 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 633978.75
Subtract 0 from 0 to 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.

Step 12:
When dividing 0 by 128, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 633978.75
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 633978.75, and the remainder is 0.0.