646132 ÷ 25 
We're looking to find how many times 25 goes into 646132.

Let's proceed to step 1:
When dividing 6 by 25, we get 0 with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Take the next digit (4) from the dividend and append it to 6, then repeat: 64 / 25

On to step 2:
If we divide 64 by 25, we get 2 and a remainder of 14.
Write down 2 as next digit of the result. 
Result so far: 2.0
Subtracting 50 from 64 leaves us with 14.
Bring next digit (6) of the dividend behind the 14 and repeat the process: 146 / 25

Moving on to step 3:
146 divided by 25 is 5 with a remainder of 21.
The number 5 becomes the next digit in our result. 
Result so far: 25.0
Subtract 125 from 146 to get 21.
Fetch the next digit (1) from the dividend, attach it to 21 and continue: 211 / 25

Moving on to step 4:
If we divide 211 by 25, we get 8 and a remainder of 11.
Record the quotient 8 as the next digit in the result. 
Result so far: 258.0
The remainder is 11 after subtracting 200 from 211.
Bring next digit (3) of the dividend behind the 11 and repeat the process: 113 / 25

On to step 5:
If we divide 113 by 25, we get 4 and a remainder of 13.
Put 4 as the next digit of the answer. 
Result so far: 2584.0
If we subtract 100 from 113, we get 13.
Fetch the next digit (2) from the dividend, attach it to 13 and continue: 132 / 25

Going ahead to step 6:
132 divided by 25 is 5 with a remainder of 7.
Write down 5 as next digit of the result. 
Result so far: 25845.0
Subtracting 125 from 132 leaves us with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Going ahead to step 7:
70 divided by 25 is 2 with a remainder of 20.
The next digit of our result is 2. 
Result so far: 25845.2
Subtract 50 from 70 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.

Moving on to step 8:
25 can be fit into 200 8 times, resulting in a remainder of 0.
The number 8 becomes the next digit in our result. 
Result so far: 25845.28
Subtracting 200 from 200 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.

Moving on to step 9:
0 divided by 25 is 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 25845.28
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.

On to step 10:
When dividing 0 by 25, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 25845.28
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.

After the division, we end up with 25845.28 and a remainder of 0.0.