678166 divided by 4 
We're looking to find how many times 4 goes into 678166.

On to step 1:
4 can be fit into 6 1 times, resulting in a remainder of 2.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 4 from 6 to get 2.
Fetch the next digit (7) from the dividend, attach it to 2 and continue: 27 / 4

Let's proceed to step 2:
4 can be fit into 27 6 times, resulting in a remainder of 3.
Put 6 as the next digit of the answer. 
Result so far: 16.0
The remainder is 3 after subtracting 24 from 27.
Append the next digit (8) from the dividend to 3 and continue with: 38 / 4

Step 3:
The number 4 fits into 38 9 times, leaving a remainder of 2.
Put 9 as the next digit of the answer. 
Result so far: 169.0
The remainder is 2 after subtracting 36 from 38.
Include the next digit (1) from the dividend after 2, then repeat: 21 / 4

Step 4:
When dividing 21 by 4, we get 5 with a remainder of 1.
Write down 5 as next digit of the result. 
Result so far: 1695.0
If we subtract 20 from 21, we get 1.
Include the next digit (6) from the dividend after 1, then repeat: 16 / 4

Going ahead to step 5:
When dividing 16 by 4, we get 4 with a remainder of 0.
Use 4 as the next digit of our solution. 
Result so far: 16954.0
Subtracting 16 from 16 leaves us with 0.
Bring next digit (6) of the dividend behind the 0 and repeat the process: 6 / 4

Going ahead to step 6:
6 divided by 4 is 1 with a remainder of 2.
Record the quotient 1 as the next digit in the result. 
Result so far: 169541.0
The remainder is 2 after subtracting 4 from 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 7:
20 divided by 4 is 5 with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 169541.5
Deduct 20 from 20 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 8:
0 divided by 4 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 169541.5
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.

Going ahead to step 9:
4 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 169541.5
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.

After the division, we end up with 169541.5 and a remainder of 0.0.