We divide 78660501 by 50
We want to figure out the number of times 78660501 can be divided by 50.

On to step 1:
The number 50 fits into 7 0 times, leaving a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 50

Going ahead to step 2:
If we divide 78 by 50, we get 1 and a remainder of 28.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 50 from 78 leaves us with 28.
Append the next digit (6) from the dividend to 28 and continue with: 286 / 50

Let's proceed to step 3:
50 can be fit into 286 5 times, resulting in a remainder of 36.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
If we subtract 250 from 286, we get 36.
Append the next digit (6) from the dividend to 36 and continue with: 366 / 50

Going ahead to step 4:
The number 50 fits into 366 7 times, leaving a remainder of 16.
Record the quotient 7 as the next digit in the result. 
Result so far: 157.0
Subtract 350 from 366 to get 16.
Grab the next digit (0) from the dividend, add it to 16, then carry on: 160 / 50

Let's proceed to step 5:
50 goes into 160 3 times with a remainder of 10.
Write down 3 as next digit of the result. 
Result so far: 1573.0
Subtract 150 from 160 to get 10.
Include the next digit (5) from the dividend after 10, then repeat: 105 / 50

Moving on to step 6:
The number 50 fits into 105 2 times, leaving a remainder of 5.
Use 2 as the next digit of our solution. 
Result so far: 15732.0
The remainder is 5 after subtracting 100 from 105.
Append the next digit (0) from the dividend to 5 and continue with: 50 / 50

On to step 7:
If we divide 50 by 50, we get 1 and a remainder of 0.
Use 1 as the next digit of our solution. 
Result so far: 157321.0
Subtracting 50 from 50 leaves us with 0.
Grab the next digit (1) from the dividend, add it to 0, then carry on: 1 / 50

Let's proceed to step 8:
50 goes into 1 0 times with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 1573210.0
The remainder is 1 after subtracting 0 from 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Moving on to step 9:
50 goes into 10 0 times with a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 1573210.0
If we subtract 0 from 10, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 10:
The number 50 fits into 100 2 times, leaving a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 1573210.02
If we take 100 away from 100, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 11:
If we divide 0 by 50, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 1573210.02
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 12:
50 goes into 0 0 times with a remainder of 0.
The next digit of our result is 0. 
Result so far: 1573210.02
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 1573210.02 with a remainder of 0.0.