191630 divided by 78 
We want to figure out the number of times 191630 can be divided by 78.

On to step 1:
The number 78 fits into 1 0 times, leaving a remainder of 1.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Append the next digit (9) from the dividend to 1 and continue with: 19 / 78

Moving on to step 2:
When dividing 19 by 78, we get 0 with a remainder of 19.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 19 after subtracting 0 from 19.
Include the next digit (1) from the dividend after 19, then repeat: 191 / 78

Moving on to step 3:
191 divided by 78 is 2 with a remainder of 35.
The next digit of our result is 2. 
Result so far: 2.0
The remainder is 35 after subtracting 156 from 191.
Take the next digit (6) from the dividend and append it to 35, then repeat: 356 / 78

Advancing to step 4:
When dividing 356 by 78, we get 4 with a remainder of 44.
Put 4 as the next digit of the answer. 
Result so far: 24.0
If we take 312 away from 356, we end up with 44.
Grab the next digit (3) from the dividend, add it to 44, then carry on: 443 / 78

Step 5:
78 can be fit into 443 5 times, resulting in a remainder of 53.
The number 5 becomes the next digit in our result. 
Result so far: 245.0
Subtracting 390 from 443 leaves us with 53.
Take the next digit (0) from the dividend and append it to 53, then repeat: 530 / 78

Advancing to step 6:
If we divide 530 by 78, we get 6 and a remainder of 62.
Use 6 as the next digit of our solution. 
Result so far: 2456.0
If we take 468 away from 530, we end up with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Advancing to step 7:
When dividing 620 by 78, we get 7 with a remainder of 74.
Use 7 as the next digit of our solution. 
Result so far: 2456.7
If we subtract 546 from 620, we get 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Let's proceed to step 8:
The number 78 fits into 740 9 times, leaving a remainder of 38.
Write down 9 as next digit of the result. 
Result so far: 2456.79
If we take 702 away from 740, we end up with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

On to step 9:
380 divided by 78 is 4 with a remainder of 68.
Put 4 as the next digit of the answer. 
Result so far: 2456.794
Deduct 312 from 380 and we're left with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

On to step 10:
78 goes into 680 8 times with a remainder of 56.
The number 8 becomes the next digit in our result. 
Result so far: 2456.7948
Subtract 624 from 680 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Moving on to step 11:
78 goes into 560 7 times with a remainder of 14.
The next digit of our result is 7. 
Result so far: 2456.79487
If we take 546 away from 560, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

On to step 12:
When dividing 140 by 78, we get 1 with a remainder of 62.
Put 1 as the next digit of the answer. 
Result so far: 2456.794871
Subtract 78 from 140 to get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Moving on to step 13:
78 can be fit into 620 7 times, resulting in a remainder of 74.
Record the quotient 7 as the next digit in the result. 
Result so far: 2456.7948717
If we take 546 away from 620, we end up with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 14:
78 goes into 740 9 times with a remainder of 38.
The number 9 becomes the next digit in our result. 
Result so far: 2456.79487179
Subtracting 702 from 740 leaves us with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

The final outcome is 2456.79487179, with a leftover of 3.8e-08.