485210 ÷ 66 
Let's see how many times 66 fits into 485210.

On to step 1:
66 goes into 4 0 times with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (8) from the dividend and append it to 4, then repeat: 48 / 66

Moving on to step 2:
66 goes into 48 0 times with a remainder of 48.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 48 and we're left with 48.
Take the next digit (5) from the dividend and append it to 48, then repeat: 485 / 66

Moving on to step 3:
If we divide 485 by 66, we get 7 and a remainder of 23.
Put 7 as the next digit of the answer. 
Result so far: 7.0
Subtracting 462 from 485 leaves us with 23.
Fetch the next digit (2) from the dividend, attach it to 23 and continue: 232 / 66

Going ahead to step 4:
66 goes into 232 3 times with a remainder of 34.
Use 3 as the next digit of our solution. 
Result so far: 73.0
Deduct 198 from 232 and we're left with 34.
Include the next digit (1) from the dividend after 34, then repeat: 341 / 66

Let's proceed to step 5:
If we divide 341 by 66, we get 5 and a remainder of 11.
The number 5 becomes the next digit in our result. 
Result so far: 735.0
If we take 330 away from 341, we end up with 11.
Take the next digit (0) from the dividend and append it to 11, then repeat: 110 / 66

Step 6:
66 goes into 110 1 times with a remainder of 44.
Put 1 as the next digit of the answer. 
Result so far: 7351.0
The remainder is 44 after subtracting 66 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Step 7:
If we divide 440 by 66, we get 6 and a remainder of 44.
Use 6 as the next digit of our solution. 
Result so far: 7351.6
If we take 396 away from 440, 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.

Moving on to step 8:
If we divide 440 by 66, we get 6 and a remainder of 44.
Put 6 as the next digit of the answer. 
Result so far: 7351.66
Deduct 396 from 440 and we're left 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.

After the division, we end up with 7351.66 and a remainder of 0.044.