We divide 11498191 by 644
We want to figure out the number of times 11498191 can be divided by 644.

Moving on to step 1:
644 can be fit into 1 0 times, resulting in a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Grab the next digit (1) from the dividend, add it to 1, then carry on: 11 / 644

On to step 2:
644 can be fit into 11 0 times, resulting in a remainder of 11.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 11, we get 11.
Fetch the next digit (4) from the dividend, attach it to 11 and continue: 114 / 644

Advancing to step 3:
644 can be fit into 114 0 times, resulting in a remainder of 114.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 114 to get 114.
Grab the next digit (9) from the dividend, add it to 114, then carry on: 1149 / 644

Going ahead to step 4:
When dividing 1149 by 644, we get 1 with a remainder of 505.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 644 from 1149 leaves us with 505.
Grab the next digit (8) from the dividend, add it to 505, then carry on: 5058 / 644

Moving on to step 5:
The number 644 fits into 5058 7 times, leaving a remainder of 550.
The number 7 becomes the next digit in our result. 
Result so far: 17.0
Subtracting 4508 from 5058 leaves us with 550.
Fetch the next digit (1) from the dividend, attach it to 550 and continue: 5501 / 644

Let's proceed to step 6:
If we divide 5501 by 644, we get 8 and a remainder of 349.
Record the quotient 8 as the next digit in the result. 
Result so far: 178.0
If we take 5152 away from 5501, we end up with 349.
Include the next digit (9) from the dividend after 349, then repeat: 3499 / 644

Moving on to step 7:
3499 divided by 644 is 5 with a remainder of 279.
Use 5 as the next digit of our solution. 
Result so far: 1785.0
The remainder is 279 after subtracting 3220 from 3499.
Grab the next digit (1) from the dividend, add it to 279, then carry on: 2791 / 644

On to step 8:
If we divide 2791 by 644, we get 4 and a remainder of 215.
Write down 4 as next digit of the result. 
Result so far: 17854.0
If we subtract 2576 from 2791, we get 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Moving on to step 9:
644 goes into 2150 3 times with a remainder of 218.
The number 3 becomes the next digit in our result. 
Result so far: 17854.3
Deduct 1932 from 2150 and we're left with 218.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2180, and continue the process.

Moving on to step 10:
When dividing 2180 by 644, we get 3 with a remainder of 248.
The next digit of our result is 3. 
Result so far: 17854.33
Subtracting 1932 from 2180 leaves us with 248.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2480, and continue the process.

The final outcome is 17854.33, with a leftover of 0.248.