99621668 ÷ 278 
Our goal is to divide 99621668 by 278.

Step 1:
278 can be fit into 9 0 times, resulting in a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Append the next digit (9) from the dividend to 9 and continue with: 99 / 278

Let's proceed to step 2:
99 divided by 278 is 0 with a remainder of 99.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 99 to get 99.
Grab the next digit (6) from the dividend, add it to 99, then carry on: 996 / 278

On to step 3:
996 divided by 278 is 3 with a remainder of 162.
Record the quotient 3 as the next digit in the result. 
Result so far: 3.0
The remainder is 162 after subtracting 834 from 996.
Fetch the next digit (2) from the dividend, attach it to 162 and continue: 1622 / 278

Step 4:
278 can be fit into 1622 5 times, resulting in a remainder of 232.
The number 5 becomes the next digit in our result. 
Result so far: 35.0
Subtract 1390 from 1622 to get 232.
Bring next digit (1) of the dividend behind the 232 and repeat the process: 2321 / 278

On to step 5:
278 can be fit into 2321 8 times, resulting in a remainder of 97.
The next digit of our result is 8. 
Result so far: 358.0
Subtracting 2224 from 2321 leaves us with 97.
Include the next digit (6) from the dividend after 97, then repeat: 976 / 278

Moving on to step 6:
278 can be fit into 976 3 times, resulting in a remainder of 142.
Put 3 as the next digit of the answer. 
Result so far: 3583.0
Subtract 834 from 976 to get 142.
Append the next digit (6) from the dividend to 142 and continue with: 1426 / 278

Let's proceed to step 7:
If we divide 1426 by 278, we get 5 and a remainder of 36.
Use 5 as the next digit of our solution. 
Result so far: 35835.0
Subtracting 1390 from 1426 leaves us with 36.
Append the next digit (8) from the dividend to 36 and continue with: 368 / 278

Moving on to step 8:
278 can be fit into 368 1 times, resulting in a remainder of 90.
Record the quotient 1 as the next digit in the result. 
Result so far: 358351.0
Subtract 278 from 368 to get 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Let's proceed to step 9:
If we divide 900 by 278, we get 3 and a remainder of 66.
Use 3 as the next digit of our solution. 
Result so far: 358351.3
Subtracting 834 from 900 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Step 10:
If we divide 660 by 278, we get 2 and a remainder of 104.
Put 2 as the next digit of the answer. 
Result so far: 358351.32
Subtracting 556 from 660 leaves us with 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Going ahead to step 11:
If we divide 1040 by 278, we get 3 and a remainder of 206.
Write down 3 as next digit of the result. 
Result so far: 358351.323
If we subtract 834 from 1040, we get 206.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2060, and continue the process.

Going ahead to step 12:
The number 278 fits into 2060 7 times, leaving a remainder of 114.
Put 7 as the next digit of the answer. 
Result so far: 358351.3237
The remainder is 114 after subtracting 1946 from 2060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1140, and continue the process.

On to step 13:
1140 divided by 278 is 4 with a remainder of 28.
The number 4 becomes the next digit in our result. 
Result so far: 358351.32374
If we subtract 1112 from 1140, we get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 14:
The number 278 fits into 280 1 times, leaving a remainder of 2.
Use 1 as the next digit of our solution. 
Result so far: 358351.323741
If we subtract 278 from 280, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 15:
20 divided by 278 is 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 358351.323741
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 16:
200 divided by 278 is 0 with a remainder of 200.
The next digit of our result is 0. 
Result so far: 358351.323741
If we subtract 0 from 200, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

After the division, we end up with 358351.323741 and a remainder of 2e-07.