19999553 ÷ 215 
We're looking to find how many times 215 goes into 19999553.

Let's proceed to step 1:
215 goes into 1 0 times with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 215

On to step 2:
215 can be fit into 19 0 times, resulting in a remainder of 19.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 19 and we're left with 19.
Include the next digit (9) from the dividend after 19, then repeat: 199 / 215

Going ahead to step 3:
215 goes into 199 0 times with a remainder of 199.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 199 after subtracting 0 from 199.
Bring next digit (9) of the dividend behind the 199 and repeat the process: 1999 / 215

Going ahead to step 4:
215 can be fit into 1999 9 times, resulting in a remainder of 64.
Use 9 as the next digit of our solution. 
Result so far: 9.0
If we subtract 1935 from 1999, we get 64.
Include the next digit (9) from the dividend after 64, then repeat: 649 / 215

Moving on to step 5:
215 goes into 649 3 times with a remainder of 4.
Use 3 as the next digit of our solution. 
Result so far: 93.0
Subtract 645 from 649 to get 4.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 215

Moving on to step 6:
When dividing 45 by 215, we get 0 with a remainder of 45.
Write down 0 as next digit of the result. 
Result so far: 930.0
Subtracting 0 from 45 leaves us with 45.
Append the next digit (5) from the dividend to 45 and continue with: 455 / 215

Going ahead to step 7:
The number 215 fits into 455 2 times, leaving a remainder of 25.
Use 2 as the next digit of our solution. 
Result so far: 9302.0
Subtract 430 from 455 to get 25.
Append the next digit (3) from the dividend to 25 and continue with: 253 / 215

Let's proceed to step 8:
The number 215 fits into 253 1 times, leaving a remainder of 38.
Use 1 as the next digit of our solution. 
Result so far: 93021.0
Subtracting 215 from 253 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.

Step 9:
When dividing 380 by 215, we get 1 with a remainder of 165.
The number 1 becomes the next digit in our result. 
Result so far: 93021.1
If we subtract 215 from 380, we get 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

On to step 10:
1650 divided by 215 is 7 with a remainder of 145.
The number 7 becomes the next digit in our result. 
Result so far: 93021.17
Subtracting 1505 from 1650 leaves us with 145.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

Going ahead to step 11:
215 goes into 1450 6 times with a remainder of 160.
Use 6 as the next digit of our solution. 
Result so far: 93021.176
The remainder is 160 after subtracting 1290 from 1450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

On to step 12:
If we divide 1600 by 215, we get 7 and a remainder of 95.
Write down 7 as next digit of the result. 
Result so far: 93021.1767
Subtracting 1505 from 1600 leaves us with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Step 13:
215 goes into 950 4 times with a remainder of 90.
Put 4 as the next digit of the answer. 
Result so far: 93021.17674
Subtracting 860 from 950 leaves us with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Moving on to step 14:
215 goes into 900 4 times with a remainder of 40.
The number 4 becomes the next digit in our result. 
Result so far: 93021.176744
Deduct 860 from 900 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final result is 93021.176744 with a remainder of 4e-06.