Let's divide 25221378 by 388
We're looking to find how many times 388 goes into 25221378.

On to step 1:
If we divide 2 by 388, we get 0 and a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Grab the next digit (5) from the dividend, add it to 2, then carry on: 25 / 388

Step 2:
When dividing 25 by 388, we get 0 with a remainder of 25.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 25, we end up with 25.
Grab the next digit (2) from the dividend, add it to 25, then carry on: 252 / 388

Going ahead to step 3:
252 divided by 388 is 0 with a remainder of 252.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 252 after subtracting 0 from 252.
Fetch the next digit (2) from the dividend, attach it to 252 and continue: 2522 / 388

Step 4:
If we divide 2522 by 388, we get 6 and a remainder of 194.
The next digit of our result is 6. 
Result so far: 6.0
The remainder is 194 after subtracting 2328 from 2522.
Take the next digit (1) from the dividend and append it to 194, then repeat: 1941 / 388

Moving on to step 5:
1941 divided by 388 is 5 with a remainder of 1.
Record the quotient 5 as the next digit in the result. 
Result so far: 65.0
If we subtract 1940 from 1941, we get 1.
Include the next digit (3) from the dividend after 1, then repeat: 13 / 388

Advancing to step 6:
The number 388 fits into 13 0 times, leaving a remainder of 13.
The number 0 becomes the next digit in our result. 
Result so far: 650.0
Deduct 0 from 13 and we're left with 13.
Fetch the next digit (7) from the dividend, attach it to 13 and continue: 137 / 388

Let's proceed to step 7:
137 divided by 388 is 0 with a remainder of 137.
Put 0 as the next digit of the answer. 
Result so far: 6500.0
If we take 0 away from 137, we end up with 137.
Append the next digit (8) from the dividend to 137 and continue with: 1378 / 388

Moving on to step 8:
When dividing 1378 by 388, we get 3 with a remainder of 214.
The next digit of our result is 3. 
Result so far: 65003.0
If we take 1164 away from 1378, we end up with 214.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2140, and continue the process.

Advancing to step 9:
If we divide 2140 by 388, we get 5 and a remainder of 200.
Put 5 as the next digit of the answer. 
Result so far: 65003.5
If we take 1940 away from 2140, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Moving on to step 10:
388 can be fit into 2000 5 times, resulting in a remainder of 60.
Put 5 as the next digit of the answer. 
Result so far: 65003.55
Subtract 1940 from 2000 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.

The final outcome is 65003.55, with a leftover of 0.06.