80310331 divided by 553 
Let's see how many times 553 fits into 80310331.

Moving on to step 1:
When dividing 8 by 553, we get 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Fetch the next digit (0) from the dividend, attach it to 8 and continue: 80 / 553

Let's proceed to step 2:
When dividing 80 by 553, we get 0 with a remainder of 80.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 80 after subtracting 0 from 80.
Include the next digit (3) from the dividend after 80, then repeat: 803 / 553

Going ahead to step 3:
803 divided by 553 is 1 with a remainder of 250.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 553 from 803 and we're left with 250.
Bring next digit (1) of the dividend behind the 250 and repeat the process: 2501 / 553

On to step 4:
The number 553 fits into 2501 4 times, leaving a remainder of 289.
The next digit of our result is 4. 
Result so far: 14.0
The remainder is 289 after subtracting 2212 from 2501.
Take the next digit (0) from the dividend and append it to 289, then repeat: 2890 / 553

Step 5:
553 can be fit into 2890 5 times, resulting in a remainder of 125.
Record the quotient 5 as the next digit in the result. 
Result so far: 145.0
Subtract 2765 from 2890 to get 125.
Include the next digit (3) from the dividend after 125, then repeat: 1253 / 553

On to step 6:
When dividing 1253 by 553, we get 2 with a remainder of 147.
Use 2 as the next digit of our solution. 
Result so far: 1452.0
Deduct 1106 from 1253 and we're left with 147.
Grab the next digit (3) from the dividend, add it to 147, then carry on: 1473 / 553

Going ahead to step 7:
1473 divided by 553 is 2 with a remainder of 367.
Use 2 as the next digit of our solution. 
Result so far: 14522.0
Deduct 1106 from 1473 and we're left with 367.
Grab the next digit (1) from the dividend, add it to 367, then carry on: 3671 / 553

Advancing to step 8:
3671 divided by 553 is 6 with a remainder of 353.
The next digit of our result is 6. 
Result so far: 145226.0
The remainder is 353 after subtracting 3318 from 3671.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3530, and continue the process.

Going ahead to step 9:
The number 553 fits into 3530 6 times, leaving a remainder of 212.
Record the quotient 6 as the next digit in the result. 
Result so far: 145226.6
Deduct 3318 from 3530 and we're left with 212.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2120, and continue the process.

Advancing to step 10:
If we divide 2120 by 553, we get 3 and a remainder of 461.
Record the quotient 3 as the next digit in the result. 
Result so far: 145226.63
Subtracting 1659 from 2120 leaves us with 461.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4610, and continue the process.

Step 11:
553 can be fit into 4610 8 times, resulting in a remainder of 186.
The number 8 becomes the next digit in our result. 
Result so far: 145226.638
If we take 4424 away from 4610, we end up with 186.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Let's proceed to step 12:
1860 divided by 553 is 3 with a remainder of 201.
The number 3 becomes the next digit in our result. 
Result so far: 145226.6383
If we take 1659 away from 1860, we end up with 201.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2010, and continue the process.

Step 13:
When dividing 2010 by 553, we get 3 with a remainder of 351.
Write down 3 as next digit of the result. 
Result so far: 145226.63833
If we take 1659 away from 2010, we end up with 351.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3510, and continue the process.

The final outcome is 145226.63833, with a leftover of 0.000351.