3939933 ÷ 320 
Our goal is to divide 3939933 by 320.

Advancing to step 1:
320 goes into 3 0 times with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Grab the next digit (9) from the dividend, add it to 3, then carry on: 39 / 320

Step 2:
320 goes into 39 0 times with a remainder of 39.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 39, we get 39.
Bring next digit (3) of the dividend behind the 39 and repeat the process: 393 / 320

Going ahead to step 3:
393 divided by 320 is 1 with a remainder of 73.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 320 away from 393, we end up with 73.
Bring next digit (9) of the dividend behind the 73 and repeat the process: 739 / 320

Advancing to step 4:
320 can be fit into 739 2 times, resulting in a remainder of 99.
Put 2 as the next digit of the answer. 
Result so far: 12.0
If we subtract 640 from 739, we get 99.
Append the next digit (9) from the dividend to 99 and continue with: 999 / 320

On to step 5:
When dividing 999 by 320, we get 3 with a remainder of 39.
Put 3 as the next digit of the answer. 
Result so far: 123.0
If we subtract 960 from 999, we get 39.
Bring next digit (3) of the dividend behind the 39 and repeat the process: 393 / 320

Going ahead to step 6:
The number 320 fits into 393 1 times, leaving a remainder of 73.
The next digit of our result is 1. 
Result so far: 1231.0
The remainder is 73 after subtracting 320 from 393.
Take the next digit (3) from the dividend and append it to 73, then repeat: 733 / 320

Going ahead to step 7:
320 can be fit into 733 2 times, resulting in a remainder of 93.
Write down 2 as next digit of the result. 
Result so far: 12312.0
The remainder is 93 after subtracting 640 from 733.
Since there are no more digits in the dividend, we add a zero to the remainder making it 930, and continue the process.

Let's proceed to step 8:
930 divided by 320 is 2 with a remainder of 290.
Use 2 as the next digit of our solution. 
Result so far: 12312.2
The remainder is 290 after subtracting 640 from 930.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Step 9:
The number 320 fits into 2900 9 times, leaving a remainder of 20.
Use 9 as the next digit of our solution. 
Result so far: 12312.29
If we take 2880 away from 2900, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 10:
320 goes into 200 0 times with a remainder of 200.
Record the quotient 0 as the next digit in the result. 
Result so far: 12312.29
Deduct 0 from 200 and we're left with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Going ahead to step 11:
When dividing 2000 by 320, we get 6 with a remainder of 80.
Use 6 as the next digit of our solution. 
Result so far: 12312.2906
If we take 1920 away from 2000, we end up with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Step 12:
When dividing 800 by 320, we get 2 with a remainder of 160.
The next digit of our result is 2. 
Result so far: 12312.29062
The remainder is 160 after subtracting 640 from 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Step 13:
When dividing 1600 by 320, we get 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 12312.290625
Deduct 1600 from 1600 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 14:
The number 320 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 12312.290625
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 15:
When dividing 0 by 320, we get 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 12312.290625
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 12312.290625, with a leftover of 0.0.