We look at the division of 81930 by 8 
We want to figure out the number of times 81930 can be divided by 8.

On to step 1:
8 divided by 8 is 1 with a remainder of 0.
Use 1 as the next digit of our solution. 
Result so far: 1.0
The remainder is 0 after subtracting 8 from 8.
Append the next digit (1) from the dividend to 0 and continue with: 1 / 8

Let's proceed to step 2:
1 divided by 8 is 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 10.0
If we subtract 0 from 1, we get 1.
Take the next digit (9) from the dividend and append it to 1, then repeat: 19 / 8

Moving on to step 3:
When dividing 19 by 8, we get 2 with a remainder of 3.
The next digit of our result is 2. 
Result so far: 102.0
Subtracting 16 from 19 leaves us with 3.
Grab the next digit (3) from the dividend, add it to 3, then carry on: 33 / 8

Moving on to step 4:
33 divided by 8 is 4 with a remainder of 1.
The next digit of our result is 4. 
Result so far: 1024.0
Subtracting 32 from 33 leaves us with 1.
Grab the next digit (0) from the dividend, add it to 1, then carry on: 10 / 8

Step 5:
8 goes into 10 1 times with a remainder of 2.
Put 1 as the next digit of the answer. 
Result so far: 10241.0
If we subtract 8 from 10, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 6:
8 goes into 20 2 times with a remainder of 4.
Record the quotient 2 as the next digit in the result. 
Result so far: 10241.2
Subtract 16 from 20 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 7:
40 divided by 8 is 5 with a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 10241.25
Deduct 40 from 40 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.

On to step 8:
0 divided by 8 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 10241.25
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.

Step 9:
The number 8 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 10241.25
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.

The quotient of the division is 10241.25, and the remainder is 0.0.