We're dividing 312299 by 79 
We want to figure out the number of times 312299 can be divided by 79.

Advancing to step 1:
3 divided by 79 is 0 with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Fetch the next digit (1) from the dividend, attach it to 3 and continue: 31 / 79

Let's proceed to step 2:
79 can be fit into 31 0 times, resulting in a remainder of 31.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 31 leaves us with 31.
Append the next digit (2) from the dividend to 31 and continue with: 312 / 79

Step 3:
312 divided by 79 is 3 with a remainder of 75.
Write down 3 as next digit of the result. 
Result so far: 3.0
Deduct 237 from 312 and we're left with 75.
Grab the next digit (2) from the dividend, add it to 75, then carry on: 752 / 79

Step 4:
752 divided by 79 is 9 with a remainder of 41.
Write down 9 as next digit of the result. 
Result so far: 39.0
The remainder is 41 after subtracting 711 from 752.
Grab the next digit (9) from the dividend, add it to 41, then carry on: 419 / 79

Let's proceed to step 5:
419 divided by 79 is 5 with a remainder of 24.
Put 5 as the next digit of the answer. 
Result so far: 395.0
Deduct 395 from 419 and we're left with 24.
Include the next digit (9) from the dividend after 24, then repeat: 249 / 79

Advancing to step 6:
If we divide 249 by 79, we get 3 and a remainder of 12.
The number 3 becomes the next digit in our result. 
Result so far: 3953.0
If we subtract 237 from 249, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 7:
The number 79 fits into 120 1 times, leaving a remainder of 41.
The number 1 becomes the next digit in our result. 
Result so far: 3953.1
Subtract 79 from 120 to get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Let's proceed to step 8:
The number 79 fits into 410 5 times, leaving a remainder of 15.
Write down 5 as next digit of the result. 
Result so far: 3953.15
The remainder is 15 after subtracting 395 from 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Let's proceed to step 9:
79 can be fit into 150 1 times, resulting in a remainder of 71.
Write down 1 as next digit of the result. 
Result so far: 3953.151
If we take 79 away from 150, we end up with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Moving on to step 10:
710 divided by 79 is 8 with a remainder of 78.
The next digit of our result is 8. 
Result so far: 3953.1518
The remainder is 78 after subtracting 632 from 710.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Step 11:
79 goes into 780 9 times with a remainder of 69.
Put 9 as the next digit of the answer. 
Result so far: 3953.15189
Subtract 711 from 780 to get 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Let's proceed to step 12:
79 goes into 690 8 times with a remainder of 58.
Write down 8 as next digit of the result. 
Result so far: 3953.151898
The remainder is 58 after subtracting 632 from 690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Let's proceed to step 13:
79 can be fit into 580 7 times, resulting in a remainder of 27.
The number 7 becomes the next digit in our result. 
Result so far: 3953.1518987
The remainder is 27 after subtracting 553 from 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Step 14:
79 goes into 270 3 times with a remainder of 33.
Write down 3 as next digit of the result. 
Result so far: 3953.15189873
Deduct 237 from 270 and we're left with 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

In conclusion, the division gives 3953.15189873 with a balance of 3.3e-08.