We look at the division of 78749807 by 221 
We're looking to find how many times 221 goes into 78749807.

Going ahead to step 1:
7 divided by 221 is 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Take the next digit (8) from the dividend and append it to 7, then repeat: 78 / 221

Step 2:
221 can be fit into 78 0 times, resulting in a remainder of 78.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 78, we get 78.
Fetch the next digit (7) from the dividend, attach it to 78 and continue: 787 / 221

Let's proceed to step 3:
When dividing 787 by 221, we get 3 with a remainder of 124.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
The remainder is 124 after subtracting 663 from 787.
Grab the next digit (4) from the dividend, add it to 124, then carry on: 1244 / 221

Moving on to step 4:
221 goes into 1244 5 times with a remainder of 139.
The number 5 becomes the next digit in our result. 
Result so far: 35.0
Subtract 1105 from 1244 to get 139.
Append the next digit (9) from the dividend to 139 and continue with: 1399 / 221

Moving on to step 5:
221 goes into 1399 6 times with a remainder of 73.
Record the quotient 6 as the next digit in the result. 
Result so far: 356.0
If we subtract 1326 from 1399, we get 73.
Grab the next digit (8) from the dividend, add it to 73, then carry on: 738 / 221

On to step 6:
If we divide 738 by 221, we get 3 and a remainder of 75.
Put 3 as the next digit of the answer. 
Result so far: 3563.0
Subtract 663 from 738 to get 75.
Bring next digit (0) of the dividend behind the 75 and repeat the process: 750 / 221

Step 7:
221 can be fit into 750 3 times, resulting in a remainder of 87.
Put 3 as the next digit of the answer. 
Result so far: 35633.0
If we subtract 663 from 750, we get 87.
Fetch the next digit (7) from the dividend, attach it to 87 and continue: 877 / 221

Let's proceed to step 8:
When dividing 877 by 221, we get 3 with a remainder of 214.
Use 3 as the next digit of our solution. 
Result so far: 356333.0
If we take 663 away from 877, we end up with 214.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2140, and continue the process.

Let's proceed to step 9:
The number 221 fits into 2140 9 times, leaving a remainder of 151.
The next digit of our result is 9. 
Result so far: 356333.9
Deduct 1989 from 2140 and we're left with 151.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1510, and continue the process.

Moving on to step 10:
1510 divided by 221 is 6 with a remainder of 184.
Put 6 as the next digit of the answer. 
Result so far: 356333.96
If we subtract 1326 from 1510, we get 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

On to step 11:
When dividing 1840 by 221, we get 8 with a remainder of 72.
The number 8 becomes the next digit in our result. 
Result so far: 356333.968
Subtracting 1768 from 1840 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.

Step 12:
When dividing 720 by 221, we get 3 with a remainder of 57.
Record the quotient 3 as the next digit in the result. 
Result so far: 356333.9683
The remainder is 57 after subtracting 663 from 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Moving on to step 13:
If we divide 570 by 221, we get 2 and a remainder of 128.
Record the quotient 2 as the next digit in the result. 
Result so far: 356333.96832
The remainder is 128 after subtracting 442 from 570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Moving on to step 14:
221 can be fit into 1280 5 times, resulting in a remainder of 175.
Record the quotient 5 as the next digit in the result. 
Result so far: 356333.968325
Subtract 1105 from 1280 to get 175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1750, and continue the process.

Advancing to step 15:
221 goes into 1750 7 times with a remainder of 203.
Write down 7 as next digit of the result. 
Result so far: 356333.9683257
Deduct 1547 from 1750 and we're left with 203.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2030, and continue the process.

Moving on to step 16:
221 goes into 2030 9 times with a remainder of 41.
Write down 9 as next digit of the result. 
Result so far: 356333.96832579
If we take 1989 away from 2030, we end up with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Our division results in 356333.96832579 with a remaining 4.1e-08.