25407383 ÷ 800 
Our goal is to divide 25407383 by 800.

Moving on to step 1:
800 goes into 2 0 times with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 800

Moving on to step 2:
When dividing 25 by 800, we get 0 with a remainder of 25.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 25 and we're left with 25.
Append the next digit (4) from the dividend to 25 and continue with: 254 / 800

Advancing to step 3:
When dividing 254 by 800, we get 0 with a remainder of 254.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 254 and we're left with 254.
Take the next digit (0) from the dividend and append it to 254, then repeat: 2540 / 800

Advancing to step 4:
2540 divided by 800 is 3 with a remainder of 140.
Put 3 as the next digit of the answer. 
Result so far: 3.0
The remainder is 140 after subtracting 2400 from 2540.
Append the next digit (7) from the dividend to 140 and continue with: 1407 / 800

Let's proceed to step 5:
800 can be fit into 1407 1 times, resulting in a remainder of 607.
The next digit of our result is 1. 
Result so far: 31.0
If we subtract 800 from 1407, we get 607.
Include the next digit (3) from the dividend after 607, then repeat: 6073 / 800

Let's proceed to step 6:
6073 divided by 800 is 7 with a remainder of 473.
The number 7 becomes the next digit in our result. 
Result so far: 317.0
Subtract 5600 from 6073 to get 473.
Take the next digit (8) from the dividend and append it to 473, then repeat: 4738 / 800

Advancing to step 7:
800 can be fit into 4738 5 times, resulting in a remainder of 738.
Use 5 as the next digit of our solution. 
Result so far: 3175.0
If we take 4000 away from 4738, we end up with 738.
Include the next digit (3) from the dividend after 738, then repeat: 7383 / 800

Let's proceed to step 8:
800 goes into 7383 9 times with a remainder of 183.
Write down 9 as next digit of the result. 
Result so far: 31759.0
If we take 7200 away from 7383, we end up with 183.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1830, and continue the process.

Moving on to step 9:
If we divide 1830 by 800, we get 2 and a remainder of 230.
Write down 2 as next digit of the result. 
Result so far: 31759.2
If we take 1600 away from 1830, we end up with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Going ahead to step 10:
800 goes into 2300 2 times with a remainder of 700.
Use 2 as the next digit of our solution. 
Result so far: 31759.22
Subtract 1600 from 2300 to get 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7000, and continue the process.

After the division, we end up with 31759.22 and a remainder of 0.7.