644488 ÷ 6 
Our goal is to divide 644488 by 6.

Advancing to step 1:
6 goes into 6 1 times with a remainder of 0.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 6 from 6 and we're left with 0.
Grab the next digit (4) from the dividend, add it to 0, then carry on: 4 / 6

Let's proceed to step 2:
4 divided by 6 is 0 with a remainder of 4.
Write down 0 as next digit of the result. 
Result so far: 10.0
Subtracting 0 from 4 leaves us with 4.
Append the next digit (4) from the dividend to 4 and continue with: 44 / 6

On to step 3:
The number 6 fits into 44 7 times, leaving a remainder of 2.
The number 7 becomes the next digit in our result. 
Result so far: 107.0
If we subtract 42 from 44, we get 2.
Grab the next digit (4) from the dividend, add it to 2, then carry on: 24 / 6

On to step 4:
If we divide 24 by 6, we get 4 and a remainder of 0.
The number 4 becomes the next digit in our result. 
Result so far: 1074.0
Deduct 24 from 24 and we're left with 0.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 6

Going ahead to step 5:
The number 6 fits into 8 1 times, leaving a remainder of 2.
Write down 1 as next digit of the result. 
Result so far: 10741.0
Subtract 6 from 8 to get 2.
Fetch the next digit (8) from the dividend, attach it to 2 and continue: 28 / 6

Step 6:
If we divide 28 by 6, we get 4 and a remainder of 4.
Put 4 as the next digit of the answer. 
Result so far: 107414.0
Subtracting 24 from 28 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
When dividing 40 by 6, we get 6 with a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 107414.6
Deduct 36 from 40 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 8:
6 can be fit into 40 6 times, resulting in a remainder of 4.
Use 6 as the next digit of our solution. 
Result so far: 107414.66
Subtracting 36 from 40 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The final result is 107414.66 with a remainder of 0.004.