We look at the division of 20781578 by 480 
Let's see how many times 480 fits into 20781578.

Let's proceed to step 1:
If we divide 2 by 480, we get 0 and a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Fetch the next digit (0) from the dividend, attach it to 2 and continue: 20 / 480

On to step 2:
20 divided by 480 is 0 with a remainder of 20.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 20, we end up with 20.
Take the next digit (7) from the dividend and append it to 20, then repeat: 207 / 480

Moving on to step 3:
207 divided by 480 is 0 with a remainder of 207.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 207, we end up with 207.
Include the next digit (8) from the dividend after 207, then repeat: 2078 / 480

Step 4:
If we divide 2078 by 480, we get 4 and a remainder of 158.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we take 1920 away from 2078, we end up with 158.
Fetch the next digit (1) from the dividend, attach it to 158 and continue: 1581 / 480

Advancing to step 5:
480 goes into 1581 3 times with a remainder of 141.
Record the quotient 3 as the next digit in the result. 
Result so far: 43.0
If we subtract 1440 from 1581, we get 141.
Fetch the next digit (5) from the dividend, attach it to 141 and continue: 1415 / 480

Let's proceed to step 6:
The number 480 fits into 1415 2 times, leaving a remainder of 455.
Put 2 as the next digit of the answer. 
Result so far: 432.0
Subtracting 960 from 1415 leaves us with 455.
Grab the next digit (7) from the dividend, add it to 455, then carry on: 4557 / 480

Step 7:
When dividing 4557 by 480, we get 9 with a remainder of 237.
Write down 9 as next digit of the result. 
Result so far: 4329.0
If we subtract 4320 from 4557, we get 237.
Append the next digit (8) from the dividend to 237 and continue with: 2378 / 480

Let's proceed to step 8:
The number 480 fits into 2378 4 times, leaving a remainder of 458.
The number 4 becomes the next digit in our result. 
Result so far: 43294.0
The remainder is 458 after subtracting 1920 from 2378.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4580, and continue the process.

Advancing to step 9:
If we divide 4580 by 480, we get 9 and a remainder of 260.
The next digit of our result is 9. 
Result so far: 43294.9
Deduct 4320 from 4580 and we're left with 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Step 10:
When dividing 2600 by 480, we get 5 with a remainder of 200.
Write down 5 as next digit of the result. 
Result so far: 43294.95
If we subtract 2400 from 2600, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Step 11:
2000 divided by 480 is 4 with a remainder of 80.
Record the quotient 4 as the next digit in the result. 
Result so far: 43294.954
Deduct 1920 from 2000 and we're left with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

On to step 12:
480 goes into 800 1 times with a remainder of 320.
Use 1 as the next digit of our solution. 
Result so far: 43294.9541
Subtract 480 from 800 to get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Let's proceed to step 13:
The number 480 fits into 3200 6 times, leaving a remainder of 320.
Write down 6 as next digit of the result. 
Result so far: 43294.95416
If we take 2880 away from 3200, we end up with 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

On to step 14:
480 can be fit into 3200 6 times, resulting in a remainder of 320.
Record the quotient 6 as the next digit in the result. 
Result so far: 43294.954166
The remainder is 320 after subtracting 2880 from 3200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

In conclusion, the division gives 43294.954166 with a balance of 3.2e-05.