438020 divided by 25 
Our goal is to divide 438020 by 25.

On to step 1:
4 divided by 25 is 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Grab the next digit (3) from the dividend, add it to 4, then carry on: 43 / 25

Advancing to step 2:
25 goes into 43 1 times with a remainder of 18.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 25 from 43 leaves us with 18.
Append the next digit (8) from the dividend to 18 and continue with: 188 / 25

Moving on to step 3:
25 goes into 188 7 times with a remainder of 13.
The next digit of our result is 7. 
Result so far: 17.0
Subtract 175 from 188 to get 13.
Append the next digit (0) from the dividend to 13 and continue with: 130 / 25

On to step 4:
130 divided by 25 is 5 with a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 175.0
Subtract 125 from 130 to get 5.
Take the next digit (2) from the dividend and append it to 5, then repeat: 52 / 25

Let's proceed to step 5:
When dividing 52 by 25, we get 2 with a remainder of 2.
Use 2 as the next digit of our solution. 
Result so far: 1752.0
The remainder is 2 after subtracting 50 from 52.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 25

Moving on to step 6:
The number 25 fits into 20 0 times, leaving a remainder of 20.
The next digit of our result is 0. 
Result so far: 17520.0
Subtract 0 from 20 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 7:
200 divided by 25 is 8 with a remainder of 0.
Use 8 as the next digit of our solution. 
Result so far: 17520.8
Subtract 200 from 200 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.

Step 8:
25 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 17520.8
Subtracting 0 from 0 leaves us 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.

Going ahead to step 9:
0 divided by 25 is 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 17520.8
If we subtract 0 from 0, 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.

The final outcome is 17520.8, with a leftover of 0.0.