12351240 ÷ 361 
We're looking to find how many times 361 goes into 12351240.

On to step 1:
1 divided by 361 is 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (2) from the dividend, add it to 1, then carry on: 12 / 361

Going ahead to step 2:
361 can be fit into 12 0 times, resulting in a remainder of 12.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 12, we end up with 12.
Append the next digit (3) from the dividend to 12 and continue with: 123 / 361

Going ahead to step 3:
361 goes into 123 0 times with a remainder of 123.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 123, we end up with 123.
Grab the next digit (5) from the dividend, add it to 123, then carry on: 1235 / 361

Going ahead to step 4:
The number 361 fits into 1235 3 times, leaving a remainder of 152.
Write down 3 as next digit of the result. 
Result so far: 3.0
If we take 1083 away from 1235, we end up with 152.
Append the next digit (1) from the dividend to 152 and continue with: 1521 / 361

Step 5:
361 can be fit into 1521 4 times, resulting in a remainder of 77.
Write down 4 as next digit of the result. 
Result so far: 34.0
Deduct 1444 from 1521 and we're left with 77.
Bring next digit (2) of the dividend behind the 77 and repeat the process: 772 / 361

Moving on to step 6:
If we divide 772 by 361, we get 2 and a remainder of 50.
Record the quotient 2 as the next digit in the result. 
Result so far: 342.0
Subtracting 722 from 772 leaves us with 50.
Bring next digit (4) of the dividend behind the 50 and repeat the process: 504 / 361

Advancing to step 7:
The number 361 fits into 504 1 times, leaving a remainder of 143.
The next digit of our result is 1. 
Result so far: 3421.0
If we subtract 361 from 504, we get 143.
Include the next digit (0) from the dividend after 143, then repeat: 1430 / 361

Step 8:
If we divide 1430 by 361, we get 3 and a remainder of 347.
The next digit of our result is 3. 
Result so far: 34213.0
Subtracting 1083 from 1430 leaves us with 347.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3470, and continue the process.

On to step 9:
361 goes into 3470 9 times with a remainder of 221.
Use 9 as the next digit of our solution. 
Result so far: 34213.9
If we take 3249 away from 3470, we end up with 221.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2210, and continue the process.

On to step 10:
When dividing 2210 by 361, we get 6 with a remainder of 44.
The next digit of our result is 6. 
Result so far: 34213.96
If we subtract 2166 from 2210, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Let's proceed to step 11:
440 divided by 361 is 1 with a remainder of 79.
Write down 1 as next digit of the result. 
Result so far: 34213.961
Subtracting 361 from 440 leaves us with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Moving on to step 12:
If we divide 790 by 361, we get 2 and a remainder of 68.
The next digit of our result is 2. 
Result so far: 34213.9612
The remainder is 68 after subtracting 722 from 790.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Let's proceed to step 13:
361 goes into 680 1 times with a remainder of 319.
The next digit of our result is 1. 
Result so far: 34213.96121
If we take 361 away from 680, we end up with 319.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3190, and continue the process.

On to step 14:
If we divide 3190 by 361, we get 8 and a remainder of 302.
The next digit of our result is 8. 
Result so far: 34213.961218
If we subtract 2888 from 3190, we get 302.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3020, and continue the process.

Going ahead to step 15:
If we divide 3020 by 361, we get 8 and a remainder of 132.
Put 8 as the next digit of the answer. 
Result so far: 34213.9612188
If we subtract 2888 from 3020, we get 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

The final result is 34213.9612188 with a remainder of 1.32e-06.