87876067 ÷ 999 
We want to divide 87876067 by 999.

On to step 1:
8 divided by 999 is 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Fetch the next digit (7) from the dividend, attach it to 8 and continue: 87 / 999

Step 2:
When dividing 87 by 999, we get 0 with a remainder of 87.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 87 after subtracting 0 from 87.
Fetch the next digit (8) from the dividend, attach it to 87 and continue: 878 / 999

Going ahead to step 3:
878 divided by 999 is 0 with a remainder of 878.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 878, we get 878.
Take the next digit (7) from the dividend and append it to 878, then repeat: 8787 / 999

Step 4:
999 can be fit into 8787 8 times, resulting in a remainder of 795.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
The remainder is 795 after subtracting 7992 from 8787.
Fetch the next digit (6) from the dividend, attach it to 795 and continue: 7956 / 999

Let's proceed to step 5:
999 goes into 7956 7 times with a remainder of 963.
Put 7 as the next digit of the answer. 
Result so far: 87.0
If we take 6993 away from 7956, we end up with 963.
Grab the next digit (0) from the dividend, add it to 963, then carry on: 9630 / 999

Step 6:
999 can be fit into 9630 9 times, resulting in a remainder of 639.
The next digit of our result is 9. 
Result so far: 879.0
Subtracting 8991 from 9630 leaves us with 639.
Bring next digit (6) of the dividend behind the 639 and repeat the process: 6396 / 999

Step 7:
999 can be fit into 6396 6 times, resulting in a remainder of 402.
Write down 6 as next digit of the result. 
Result so far: 8796.0
Deduct 5994 from 6396 and we're left with 402.
Bring next digit (7) of the dividend behind the 402 and repeat the process: 4027 / 999

Going ahead to step 8:
The number 999 fits into 4027 4 times, leaving a remainder of 31.
Record the quotient 4 as the next digit in the result. 
Result so far: 87964.0
Subtract 3996 from 4027 to get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 9:
999 can be fit into 310 0 times, resulting in a remainder of 310.
Write down 0 as next digit of the result. 
Result so far: 87964.0
If we take 0 away from 310, we end up with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

On to step 10:
When dividing 3100 by 999, we get 3 with a remainder of 103.
The number 3 becomes the next digit in our result. 
Result so far: 87964.03
If we take 2997 away from 3100, we end up with 103.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1030, and continue the process.

Going ahead to step 11:
999 can be fit into 1030 1 times, resulting in a remainder of 31.
The number 1 becomes the next digit in our result. 
Result so far: 87964.031
If we subtract 999 from 1030, we get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Going ahead to step 12:
999 can be fit into 310 0 times, resulting in a remainder of 310.
Record the quotient 0 as the next digit in the result. 
Result so far: 87964.031
If we subtract 0 from 310, we get 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

On to step 13:
When dividing 3100 by 999, we get 3 with a remainder of 103.
Use 3 as the next digit of our solution. 
Result so far: 87964.03103
Subtract 2997 from 3100 to get 103.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1030, and continue the process.

Advancing to step 14:
If we divide 1030 by 999, we get 1 and a remainder of 31.
Write down 1 as next digit of the result. 
Result so far: 87964.031031
Subtracting 999 from 1030 leaves us with 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Moving on to step 15:
310 divided by 999 is 0 with a remainder of 310.
Use 0 as the next digit of our solution. 
Result so far: 87964.031031
Subtracting 0 from 310 leaves us with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

On to step 16:
999 goes into 3100 3 times with a remainder of 103.
Put 3 as the next digit of the answer. 
Result so far: 87964.03103103
The remainder is 103 after subtracting 2997 from 3100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1030, and continue the process.

After the division, we end up with 87964.03103103 and a remainder of 1.03e-07.