Let's divide 67998 by 78
Our goal is to divide 67998 by 78.

Going ahead to step 1:
6 divided by 78 is 0 with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Grab the next digit (7) from the dividend, add it to 6, then carry on: 67 / 78

Let's proceed to step 2:
78 can be fit into 67 0 times, resulting in a remainder of 67.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 67 after subtracting 0 from 67.
Fetch the next digit (9) from the dividend, attach it to 67 and continue: 679 / 78

Moving on to step 3:
The number 78 fits into 679 8 times, leaving a remainder of 55.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we subtract 624 from 679, we get 55.
Fetch the next digit (9) from the dividend, attach it to 55 and continue: 559 / 78

On to step 4:
The number 78 fits into 559 7 times, leaving a remainder of 13.
The next digit of our result is 7. 
Result so far: 87.0
Subtracting 546 from 559 leaves us with 13.
Bring next digit (8) of the dividend behind the 13 and repeat the process: 138 / 78

Going ahead to step 5:
138 divided by 78 is 1 with a remainder of 60.
Record the quotient 1 as the next digit in the result. 
Result so far: 871.0
Deduct 78 from 138 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 6:
The number 78 fits into 600 7 times, leaving a remainder of 54.
The number 7 becomes the next digit in our result. 
Result so far: 871.7
Subtract 546 from 600 to get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Advancing to step 7:
78 goes into 540 6 times with a remainder of 72.
The number 6 becomes the next digit in our result. 
Result so far: 871.76
Subtracting 468 from 540 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Let's proceed to step 8:
720 divided by 78 is 9 with a remainder of 18.
Write down 9 as next digit of the result. 
Result so far: 871.769
Deduct 702 from 720 and we're left with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

On to step 9:
If we divide 180 by 78, we get 2 and a remainder of 24.
Write down 2 as next digit of the result. 
Result so far: 871.7692
Subtract 156 from 180 to get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 10:
240 divided by 78 is 3 with a remainder of 6.
Use 3 as the next digit of our solution. 
Result so far: 871.76923
Deduct 234 from 240 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Advancing to step 11:
If we divide 60 by 78, we get 0 and a remainder of 60.
Write down 0 as next digit of the result. 
Result so far: 871.76923
Deduct 0 from 60 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 12:
If we divide 600 by 78, we get 7 and a remainder of 54.
The next digit of our result is 7. 
Result so far: 871.7692307
Subtracting 546 from 600 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Let's proceed to step 13:
When dividing 540 by 78, we get 6 with a remainder of 72.
Put 6 as the next digit of the answer. 
Result so far: 871.76923076
Deduct 468 from 540 and we're left with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

The final outcome is 871.76923076, with a leftover of 7.2e-08.