We're dividing 39852962 by 378 
Let's see how many times 378 fits into 39852962.

Advancing to step 1:
If we divide 3 by 378, we get 0 and a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Append the next digit (9) from the dividend to 3 and continue with: 39 / 378

Advancing to step 2:
If we divide 39 by 378, we get 0 and a remainder of 39.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Grab the next digit (8) from the dividend, add it to 39, then carry on: 398 / 378

Step 3:
When dividing 398 by 378, we get 1 with a remainder of 20.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 378 from 398 and we're left with 20.
Include the next digit (5) from the dividend after 20, then repeat: 205 / 378

Let's proceed to step 4:
205 divided by 378 is 0 with a remainder of 205.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
Subtract 0 from 205 to get 205.
Bring next digit (2) of the dividend behind the 205 and repeat the process: 2052 / 378

Moving on to step 5:
378 can be fit into 2052 5 times, resulting in a remainder of 162.
The next digit of our result is 5. 
Result so far: 105.0
Subtracting 1890 from 2052 leaves us with 162.
Append the next digit (9) from the dividend to 162 and continue with: 1629 / 378

Going ahead to step 6:
When dividing 1629 by 378, we get 4 with a remainder of 117.
Write down 4 as next digit of the result. 
Result so far: 1054.0
Subtracting 1512 from 1629 leaves us with 117.
Take the next digit (6) from the dividend and append it to 117, then repeat: 1176 / 378

Let's proceed to step 7:
When dividing 1176 by 378, we get 3 with a remainder of 42.
Put 3 as the next digit of the answer. 
Result so far: 10543.0
If we take 1134 away from 1176, we end up with 42.
Grab the next digit (2) from the dividend, add it to 42, then carry on: 422 / 378

Going ahead to step 8:
The number 378 fits into 422 1 times, leaving a remainder of 44.
The next digit of our result is 1. 
Result so far: 105431.0
If we take 378 away from 422, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Step 9:
The number 378 fits into 440 1 times, leaving a remainder of 62.
Record the quotient 1 as the next digit in the result. 
Result so far: 105431.1
The remainder is 62 after subtracting 378 from 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Going ahead to step 10:
If we divide 620 by 378, we get 1 and a remainder of 242.
Put 1 as the next digit of the answer. 
Result so far: 105431.11
Subtract 378 from 620 to get 242.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

The quotient of the division is 105431.11, and the remainder is 0.242.