936990 divided by 78 
Our goal is to divide 936990 by 78.

Step 1:
When dividing 9 by 78, we get 0 with a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Grab the next digit (3) from the dividend, add it to 9, then carry on: 93 / 78

Advancing to step 2:
93 divided by 78 is 1 with a remainder of 15.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 78 away from 93, we end up with 15.
Take the next digit (6) from the dividend and append it to 15, then repeat: 156 / 78

Advancing to step 3:
78 goes into 156 2 times with a remainder of 0.
The next digit of our result is 2. 
Result so far: 12.0
If we subtract 156 from 156, we get 0.
Bring next digit (9) of the dividend behind the 0 and repeat the process: 9 / 78

Moving on to step 4:
The number 78 fits into 9 0 times, leaving a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 120.0
Subtract 0 from 9 to get 9.
Bring next digit (9) of the dividend behind the 9 and repeat the process: 99 / 78

Moving on to step 5:
When dividing 99 by 78, we get 1 with a remainder of 21.
The next digit of our result is 1. 
Result so far: 1201.0
If we take 78 away from 99, we end up with 21.
Include the next digit (0) from the dividend after 21, then repeat: 210 / 78

Advancing to step 6:
When dividing 210 by 78, we get 2 with a remainder of 54.
The number 2 becomes the next digit in our result. 
Result so far: 12012.0
Deduct 156 from 210 and we're left 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.

Moving on to step 7:
If we divide 540 by 78, we get 6 and a remainder of 72.
The next digit of our result is 6. 
Result so far: 12012.6
Subtract 468 from 540 to get 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 8:
When dividing 720 by 78, we get 9 with a remainder of 18.
Put 9 as the next digit of the answer. 
Result so far: 12012.69
Subtracting 702 from 720 leaves us 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.

Advancing to step 9:
78 can be fit into 180 2 times, resulting in a remainder of 24.
The next digit of our result is 2. 
Result so far: 12012.692
Subtracting 156 from 180 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Advancing to step 10:
240 divided by 78 is 3 with a remainder of 6.
The number 3 becomes the next digit in our result. 
Result so far: 12012.6923
If we subtract 234 from 240, we get 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:
60 divided by 78 is 0 with a remainder of 60.
The next digit of our result is 0. 
Result so far: 12012.6923
Subtract 0 from 60 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.

On to step 12:
The number 78 fits into 600 7 times, leaving a remainder of 54.
Record the quotient 7 as the next digit in the result. 
Result so far: 12012.692307
The remainder is 54 after subtracting 546 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 13:
540 divided by 78 is 6 with a remainder of 72.
Put 6 as the next digit of the answer. 
Result so far: 12012.6923076
If we subtract 468 from 540, we get 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Advancing to step 14:
720 divided by 78 is 9 with a remainder of 18.
Put 9 as the next digit of the answer. 
Result so far: 12012.69230769
Subtract 702 from 720 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

After the division, we end up with 12012.69230769 and a remainder of 1.8e-08.