We look at the division of 631774 by 78 
Let's see how many times 78 fits into 631774.

Going ahead to step 1:
78 goes into 6 0 times with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Fetch the next digit (3) from the dividend, attach it to 6 and continue: 63 / 78

Moving on to step 2:
78 goes into 63 0 times with a remainder of 63.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 63, we end up with 63.
Bring next digit (1) of the dividend behind the 63 and repeat the process: 631 / 78

On to step 3:
When dividing 631 by 78, we get 8 with a remainder of 7.
Use 8 as the next digit of our solution. 
Result so far: 8.0
The remainder is 7 after subtracting 624 from 631.
Fetch the next digit (7) from the dividend, attach it to 7 and continue: 77 / 78

Let's proceed to step 4:
When dividing 77 by 78, we get 0 with a remainder of 77.
Put 0 as the next digit of the answer. 
Result so far: 80.0
The remainder is 77 after subtracting 0 from 77.
Grab the next digit (7) from the dividend, add it to 77, then carry on: 777 / 78

Let's proceed to step 5:
777 divided by 78 is 9 with a remainder of 75.
Write down 9 as next digit of the result. 
Result so far: 809.0
If we subtract 702 from 777, we get 75.
Append the next digit (4) from the dividend to 75 and continue with: 754 / 78

Going ahead to step 6:
The number 78 fits into 754 9 times, leaving a remainder of 52.
Write down 9 as next digit of the result. 
Result so far: 8099.0
Subtracting 702 from 754 leaves us with 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Step 7:
78 goes into 520 6 times with a remainder of 52.
The number 6 becomes the next digit in our result. 
Result so far: 8099.6
If we subtract 468 from 520, we get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Let's proceed to step 8:
78 goes into 520 6 times with a remainder of 52.
The next digit of our result is 6. 
Result so far: 8099.66
The remainder is 52 after subtracting 468 from 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

The final result is 8099.66 with a remainder of 0.052.