We're dividing 448371 by 12 
Our goal is to divide 448371 by 12.

Let's proceed to step 1:
12 can be fit into 4 0 times, resulting in a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Fetch the next digit (4) from the dividend, attach it to 4 and continue: 44 / 12

Moving on to step 2:
When dividing 44 by 12, we get 3 with a remainder of 8.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
Deduct 36 from 44 and we're left with 8.
Take the next digit (8) from the dividend and append it to 8, then repeat: 88 / 12

Going ahead to step 3:
If we divide 88 by 12, we get 7 and a remainder of 4.
The next digit of our result is 7. 
Result so far: 37.0
Subtract 84 from 88 to get 4.
Take the next digit (3) from the dividend and append it to 4, then repeat: 43 / 12

Let's proceed to step 4:
The number 12 fits into 43 3 times, leaving a remainder of 7.
Write down 3 as next digit of the result. 
Result so far: 373.0
Subtracting 36 from 43 leaves us with 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 12

Step 5:
The number 12 fits into 77 6 times, leaving a remainder of 5.
The number 6 becomes the next digit in our result. 
Result so far: 3736.0
If we take 72 away from 77, we end up with 5.
Fetch the next digit (1) from the dividend, attach it to 5 and continue: 51 / 12

Step 6:
12 goes into 51 4 times with a remainder of 3.
Use 4 as the next digit of our solution. 
Result so far: 37364.0
If we subtract 48 from 51, we get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 7:
30 divided by 12 is 2 with a remainder of 6.
Use 2 as the next digit of our solution. 
Result so far: 37364.2
Deduct 24 from 30 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 8:
The number 12 fits into 60 5 times, leaving a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 37364.25
Deduct 60 from 60 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.

On to step 9:
12 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 37364.25
Subtracting 0 from 0 leaves us 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 10:
If we divide 0 by 12, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 37364.25
Subtracting 0 from 0 leaves us 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.

Our division results in 37364.25 with a remaining 0.0.