We look at the division of 80098316 by 623 
Let's see how many times 623 fits into 80098316.

Advancing to step 1:
If we divide 8 by 623, we get 0 and a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Fetch the next digit (0) from the dividend, attach it to 8 and continue: 80 / 623

On to step 2:
623 can be fit into 80 0 times, resulting in a remainder of 80.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 80 after subtracting 0 from 80.
Grab the next digit (0) from the dividend, add it to 80, then carry on: 800 / 623

Going ahead to step 3:
623 can be fit into 800 1 times, resulting in a remainder of 177.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 623 from 800 and we're left with 177.
Include the next digit (9) from the dividend after 177, then repeat: 1779 / 623

On to step 4:
623 goes into 1779 2 times with a remainder of 533.
Write down 2 as next digit of the result. 
Result so far: 12.0
Deduct 1246 from 1779 and we're left with 533.
Grab the next digit (8) from the dividend, add it to 533, then carry on: 5338 / 623

Let's proceed to step 5:
5338 divided by 623 is 8 with a remainder of 354.
Write down 8 as next digit of the result. 
Result so far: 128.0
Subtracting 4984 from 5338 leaves us with 354.
Fetch the next digit (3) from the dividend, attach it to 354 and continue: 3543 / 623

Step 6:
3543 divided by 623 is 5 with a remainder of 428.
Put 5 as the next digit of the answer. 
Result so far: 1285.0
The remainder is 428 after subtracting 3115 from 3543.
Append the next digit (1) from the dividend to 428 and continue with: 4281 / 623

Going ahead to step 7:
623 can be fit into 4281 6 times, resulting in a remainder of 543.
The number 6 becomes the next digit in our result. 
Result so far: 12856.0
Subtract 3738 from 4281 to get 543.
Append the next digit (6) from the dividend to 543 and continue with: 5436 / 623

Moving on to step 8:
If we divide 5436 by 623, we get 8 and a remainder of 452.
Put 8 as the next digit of the answer. 
Result so far: 128568.0
Deduct 4984 from 5436 and we're left with 452.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4520, and continue the process.

Step 9:
4520 divided by 623 is 7 with a remainder of 159.
The number 7 becomes the next digit in our result. 
Result so far: 128568.7
The remainder is 159 after subtracting 4361 from 4520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

Advancing to step 10:
When dividing 1590 by 623, we get 2 with a remainder of 344.
Use 2 as the next digit of our solution. 
Result so far: 128568.72
Subtract 1246 from 1590 to get 344.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3440, and continue the process.

Step 11:
3440 divided by 623 is 5 with a remainder of 325.
The number 5 becomes the next digit in our result. 
Result so far: 128568.725
If we take 3115 away from 3440, we end up with 325.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3250, and continue the process.

Advancing to step 12:
The number 623 fits into 3250 5 times, leaving a remainder of 135.
Record the quotient 5 as the next digit in the result. 
Result so far: 128568.7255
If we subtract 3115 from 3250, we get 135.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1350, and continue the process.

The final outcome is 128568.7255, with a leftover of 0.00135.