404210 ÷ 80 
We're looking to find how many times 80 goes into 404210.

Moving on to step 1:
4 divided by 80 is 0 with a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Append the next digit (0) from the dividend to 4 and continue with: 40 / 80

Step 2:
When dividing 40 by 80, we get 0 with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 40 leaves us with 40.
Fetch the next digit (4) from the dividend, attach it to 40 and continue: 404 / 80

Let's proceed to step 3:
The number 80 fits into 404 5 times, leaving a remainder of 4.
Write down 5 as next digit of the result. 
Result so far: 5.0
If we take 400 away from 404, we end up with 4.
Take the next digit (2) from the dividend and append it to 4, then repeat: 42 / 80

Moving on to step 4:
80 goes into 42 0 times with a remainder of 42.
Write down 0 as next digit of the result. 
Result so far: 50.0
Subtract 0 from 42 to get 42.
Append the next digit (1) from the dividend to 42 and continue with: 421 / 80

Let's proceed to step 5:
If we divide 421 by 80, we get 5 and a remainder of 21.
The number 5 becomes the next digit in our result. 
Result so far: 505.0
The remainder is 21 after subtracting 400 from 421.
Bring next digit (0) of the dividend behind the 21 and repeat the process: 210 / 80

Going ahead to step 6:
80 goes into 210 2 times with a remainder of 50.
The next digit of our result is 2. 
Result so far: 5052.0
The remainder is 50 after subtracting 160 from 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Advancing to step 7:
80 goes into 500 6 times with a remainder of 20.
The number 6 becomes the next digit in our result. 
Result so far: 5052.6
The remainder is 20 after subtracting 480 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 8:
80 can be fit into 200 2 times, resulting in a remainder of 40.
Use 2 as the next digit of our solution. 
Result so far: 5052.62
The remainder is 40 after subtracting 160 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 9:
If we divide 400 by 80, we get 5 and a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 5052.625
Subtract 400 from 400 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.

Moving on to step 10:
When dividing 0 by 80, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 5052.625
The remainder is 0 after subtracting 0 from 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 11:
80 goes into 0 0 times with a remainder of 0.
The next digit of our result is 0. 
Result so far: 5052.625
If we take 0 away from 0, we end up 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.

The final result is 5052.625 with a remainder of 0.0.