We look at the division of 30139363 by 343 
We're looking to find how many times 343 goes into 30139363.

Step 1:
The number 343 fits into 3 0 times, leaving a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 343

Going ahead to step 2:
If we divide 30 by 343, we get 0 and a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 30 leaves us with 30.
Fetch the next digit (1) from the dividend, attach it to 30 and continue: 301 / 343

Advancing to step 3:
If we divide 301 by 343, we get 0 and a remainder of 301.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 301 leaves us with 301.
Bring next digit (3) of the dividend behind the 301 and repeat the process: 3013 / 343

Moving on to step 4:
3013 divided by 343 is 8 with a remainder of 269.
Use 8 as the next digit of our solution. 
Result so far: 8.0
The remainder is 269 after subtracting 2744 from 3013.
Grab the next digit (9) from the dividend, add it to 269, then carry on: 2699 / 343

Moving on to step 5:
343 can be fit into 2699 7 times, resulting in a remainder of 298.
Use 7 as the next digit of our solution. 
Result so far: 87.0
The remainder is 298 after subtracting 2401 from 2699.
Take the next digit (3) from the dividend and append it to 298, then repeat: 2983 / 343

Advancing to step 6:
The number 343 fits into 2983 8 times, leaving a remainder of 239.
Write down 8 as next digit of the result. 
Result so far: 878.0
Subtract 2744 from 2983 to get 239.
Fetch the next digit (6) from the dividend, attach it to 239 and continue: 2396 / 343

Let's proceed to step 7:
When dividing 2396 by 343, we get 6 with a remainder of 338.
Use 6 as the next digit of our solution. 
Result so far: 8786.0
Deduct 2058 from 2396 and we're left with 338.
Fetch the next digit (3) from the dividend, attach it to 338 and continue: 3383 / 343

On to step 8:
3383 divided by 343 is 9 with a remainder of 296.
The number 9 becomes the next digit in our result. 
Result so far: 87869.0
Subtracting 3087 from 3383 leaves us with 296.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2960, and continue the process.

Let's proceed to step 9:
The number 343 fits into 2960 8 times, leaving a remainder of 216.
Use 8 as the next digit of our solution. 
Result so far: 87869.8
The remainder is 216 after subtracting 2744 from 2960.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

On to step 10:
343 can be fit into 2160 6 times, resulting in a remainder of 102.
Write down 6 as next digit of the result. 
Result so far: 87869.86
Subtracting 2058 from 2160 leaves us with 102.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1020, and continue the process.

Moving on to step 11:
1020 divided by 343 is 2 with a remainder of 334.
The next digit of our result is 2. 
Result so far: 87869.862
Subtracting 686 from 1020 leaves us with 334.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3340, and continue the process.

Step 12:
If we divide 3340 by 343, we get 9 and a remainder of 253.
The next digit of our result is 9. 
Result so far: 87869.8629
The remainder is 253 after subtracting 3087 from 3340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2530, and continue the process.

Step 13:
343 can be fit into 2530 7 times, resulting in a remainder of 129.
Write down 7 as next digit of the result. 
Result so far: 87869.86297
Deduct 2401 from 2530 and we're left with 129.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1290, and continue the process.

Going ahead to step 14:
If we divide 1290 by 343, we get 3 and a remainder of 261.
Put 3 as the next digit of the answer. 
Result so far: 87869.862973
If we subtract 1029 from 1290, we get 261.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2610, and continue the process.

Advancing to step 15:
343 goes into 2610 7 times with a remainder of 209.
The number 7 becomes the next digit in our result. 
Result so far: 87869.8629737
The remainder is 209 after subtracting 2401 from 2610.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2090, and continue the process.

Advancing to step 16:
2090 divided by 343 is 6 with a remainder of 32.
Write down 6 as next digit of the result. 
Result so far: 87869.86297376
The remainder is 32 after subtracting 2058 from 2090.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

After the division, we end up with 87869.86297376 and a remainder of 3.2e-08.