30515815 ÷ 353 
Our goal is to divide 30515815 by 353.

Moving on to step 1:
If we divide 3 by 353, we get 0 and a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Include the next digit (0) from the dividend after 3, then repeat: 30 / 353

Advancing to step 2:
353 goes into 30 0 times with a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 30 and we're left with 30.
Fetch the next digit (5) from the dividend, attach it to 30 and continue: 305 / 353

Advancing to step 3:
353 goes into 305 0 times with a remainder of 305.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 305 and we're left with 305.
Bring next digit (1) of the dividend behind the 305 and repeat the process: 3051 / 353

Going ahead to step 4:
When dividing 3051 by 353, we get 8 with a remainder of 227.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtracting 2824 from 3051 leaves us with 227.
Grab the next digit (5) from the dividend, add it to 227, then carry on: 2275 / 353

Advancing to step 5:
The number 353 fits into 2275 6 times, leaving a remainder of 157.
Use 6 as the next digit of our solution. 
Result so far: 86.0
Subtracting 2118 from 2275 leaves us with 157.
Include the next digit (8) from the dividend after 157, then repeat: 1578 / 353

On to step 6:
353 can be fit into 1578 4 times, resulting in a remainder of 166.
Write down 4 as next digit of the result. 
Result so far: 864.0
Deduct 1412 from 1578 and we're left with 166.
Fetch the next digit (1) from the dividend, attach it to 166 and continue: 1661 / 353

On to step 7:
353 can be fit into 1661 4 times, resulting in a remainder of 249.
Put 4 as the next digit of the answer. 
Result so far: 8644.0
If we take 1412 away from 1661, we end up with 249.
Take the next digit (5) from the dividend and append it to 249, then repeat: 2495 / 353

Moving on to step 8:
353 can be fit into 2495 7 times, resulting in a remainder of 24.
Write down 7 as next digit of the result. 
Result so far: 86447.0
Subtract 2471 from 2495 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 9:
The number 353 fits into 240 0 times, leaving a remainder of 240.
Use 0 as the next digit of our solution. 
Result so far: 86447.0
Subtract 0 from 240 to get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Going ahead to step 10:
2400 divided by 353 is 6 with a remainder of 282.
The next digit of our result is 6. 
Result so far: 86447.06
The remainder is 282 after subtracting 2118 from 2400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2820, and continue the process.

Advancing to step 11:
When dividing 2820 by 353, we get 7 with a remainder of 349.
Record the quotient 7 as the next digit in the result. 
Result so far: 86447.067
Deduct 2471 from 2820 and we're left with 349.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3490, and continue the process.

Advancing to step 12:
When dividing 3490 by 353, we get 9 with a remainder of 313.
Put 9 as the next digit of the answer. 
Result so far: 86447.0679
If we take 3177 away from 3490, we end up with 313.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3130, and continue the process.

Step 13:
353 can be fit into 3130 8 times, resulting in a remainder of 306.
Write down 8 as next digit of the result. 
Result so far: 86447.06798
Subtract 2824 from 3130 to get 306.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3060, and continue the process.

Going ahead to step 14:
353 can be fit into 3060 8 times, resulting in a remainder of 236.
Use 8 as the next digit of our solution. 
Result so far: 86447.067988
The remainder is 236 after subtracting 2824 from 3060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2360, and continue the process.

Our division results in 86447.067988 with a remaining 2.36e-05.