11788563 divided by 399 
We want to figure out the number of times 11788563 can be divided by 399.

Moving on to step 1:
If we divide 1 by 399, we get 0 and a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Fetch the next digit (1) from the dividend, attach it to 1 and continue: 11 / 399

Let's proceed to step 2:
11 divided by 399 is 0 with a remainder of 11.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 11 to get 11.
Bring next digit (7) of the dividend behind the 11 and repeat the process: 117 / 399

Advancing to step 3:
399 goes into 117 0 times with a remainder of 117.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 117, we get 117.
Grab the next digit (8) from the dividend, add it to 117, then carry on: 1178 / 399

On to step 4:
399 can be fit into 1178 2 times, resulting in a remainder of 380.
Write down 2 as next digit of the result. 
Result so far: 2.0
If we subtract 798 from 1178, we get 380.
Include the next digit (8) from the dividend after 380, then repeat: 3808 / 399

Step 5:
399 can be fit into 3808 9 times, resulting in a remainder of 217.
The next digit of our result is 9. 
Result so far: 29.0
The remainder is 217 after subtracting 3591 from 3808.
Fetch the next digit (5) from the dividend, attach it to 217 and continue: 2175 / 399

Going ahead to step 6:
2175 divided by 399 is 5 with a remainder of 180.
The number 5 becomes the next digit in our result. 
Result so far: 295.0
Subtract 1995 from 2175 to get 180.
Take the next digit (6) from the dividend and append it to 180, then repeat: 1806 / 399

Let's proceed to step 7:
399 goes into 1806 4 times with a remainder of 210.
The number 4 becomes the next digit in our result. 
Result so far: 2954.0
If we take 1596 away from 1806, we end up with 210.
Grab the next digit (3) from the dividend, add it to 210, then carry on: 2103 / 399

Advancing to step 8:
399 can be fit into 2103 5 times, resulting in a remainder of 108.
The next digit of our result is 5. 
Result so far: 29545.0
Deduct 1995 from 2103 and we're left with 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Let's proceed to step 9:
399 goes into 1080 2 times with a remainder of 282.
Record the quotient 2 as the next digit in the result. 
Result so far: 29545.2
The remainder is 282 after subtracting 798 from 1080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2820, and continue the process.

Moving on to step 10:
When dividing 2820 by 399, we get 7 with a remainder of 27.
The number 7 becomes the next digit in our result. 
Result so far: 29545.27
Subtracting 2793 from 2820 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

On to step 11:
The number 399 fits into 270 0 times, leaving a remainder of 270.
Put 0 as the next digit of the answer. 
Result so far: 29545.27
Subtract 0 from 270 to get 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

Let's proceed to step 12:
If we divide 2700 by 399, we get 6 and a remainder of 306.
Put 6 as the next digit of the answer. 
Result so far: 29545.2706
If we take 2394 away from 2700, we end up with 306.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3060, and continue the process.

Let's proceed to step 13:
3060 divided by 399 is 7 with a remainder of 267.
Use 7 as the next digit of our solution. 
Result so far: 29545.27067
If we take 2793 away from 3060, we end up with 267.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2670, and continue the process.

Going ahead to step 14:
2670 divided by 399 is 6 with a remainder of 276.
The number 6 becomes the next digit in our result. 
Result so far: 29545.270676
Subtracting 2394 from 2670 leaves us with 276.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2760, and continue the process.

Let's proceed to step 15:
The number 399 fits into 2760 6 times, leaving a remainder of 366.
Write down 6 as next digit of the result. 
Result so far: 29545.2706766
Subtract 2394 from 2760 to get 366.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3660, and continue the process.

The final result is 29545.2706766 with a remainder of 3.66e-06.