We look at the division of 21254 by 80 
We want to figure out the number of times 21254 can be divided by 80.

Step 1:
If we divide 2 by 80, we get 0 and a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 2 and we're left with 2.
Include the next digit (1) from the dividend after 2, then repeat: 21 / 80

Let's proceed to step 2:
When dividing 21 by 80, we get 0 with a remainder of 21.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Bring next digit (2) of the dividend behind the 21 and repeat the process: 212 / 80

Advancing to step 3:
80 can be fit into 212 2 times, resulting in a remainder of 52.
The next digit of our result is 2. 
Result so far: 2.0
If we subtract 160 from 212, we get 52.
Grab the next digit (5) from the dividend, add it to 52, then carry on: 525 / 80

Moving on to step 4:
80 goes into 525 6 times with a remainder of 45.
Write down 6 as next digit of the result. 
Result so far: 26.0
The remainder is 45 after subtracting 480 from 525.
Take the next digit (4) from the dividend and append it to 45, then repeat: 454 / 80

Going ahead to step 5:
80 can be fit into 454 5 times, resulting in a remainder of 54.
Use 5 as the next digit of our solution. 
Result so far: 265.0
Subtract 400 from 454 to get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Going ahead to step 6:
The number 80 fits into 540 6 times, leaving a remainder of 60.
The next digit of our result is 6. 
Result so far: 265.6
Subtract 480 from 540 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 7:
When dividing 600 by 80, we get 7 with a remainder of 40.
The number 7 becomes the next digit in our result. 
Result so far: 265.67
The remainder is 40 after subtracting 560 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 8:
80 can be fit into 400 5 times, resulting in a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 265.675
If we subtract 400 from 400, we 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 9:
80 goes into 0 0 times with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 265.675
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.

Step 10:
0 divided by 80 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 265.675
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.

The final outcome is 265.675, with a leftover of 0.0.