987199 ÷ 8 
We want to divide 987199 by 8.

Moving on to step 1:
9 divided by 8 is 1 with a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 1 after subtracting 8 from 9.
Append the next digit (8) from the dividend to 1 and continue with: 18 / 8

On to step 2:
8 goes into 18 2 times with a remainder of 2.
The next digit of our result is 2. 
Result so far: 12.0
Deduct 16 from 18 and we're left with 2.
Take the next digit (7) from the dividend and append it to 2, then repeat: 27 / 8

On to step 3:
The number 8 fits into 27 3 times, leaving a remainder of 3.
Use 3 as the next digit of our solution. 
Result so far: 123.0
Deduct 24 from 27 and we're left with 3.
Fetch the next digit (1) from the dividend, attach it to 3 and continue: 31 / 8

On to step 4:
31 divided by 8 is 3 with a remainder of 7.
Use 3 as the next digit of our solution. 
Result so far: 1233.0
If we subtract 24 from 31, we get 7.
Take the next digit (9) from the dividend and append it to 7, then repeat: 79 / 8

Step 5:
8 can be fit into 79 9 times, resulting in a remainder of 7.
Put 9 as the next digit of the answer. 
Result so far: 12339.0
Deduct 72 from 79 and we're left with 7.
Append the next digit (9) from the dividend to 7 and continue with: 79 / 8

Moving on to step 6:
When dividing 79 by 8, we get 9 with a remainder of 7.
The next digit of our result is 9. 
Result so far: 123399.0
The remainder is 7 after subtracting 72 from 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Let's proceed to step 7:
8 can be fit into 70 8 times, resulting in a remainder of 6.
The next digit of our result is 8. 
Result so far: 123399.8
Deduct 64 from 70 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 8:
60 divided by 8 is 7 with a remainder of 4.
Record the quotient 7 as the next digit in the result. 
Result so far: 123399.87
If we subtract 56 from 60, we 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 9:
40 divided by 8 is 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 123399.875
If we subtract 40 from 40, 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.

Step 10:
When dividing 0 by 8, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 123399.875
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.

Going ahead to step 11:
When dividing 0 by 8, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 123399.875
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.

The final result is 123399.875 with a remainder of 0.0.