We're dividing 72626553 by 644 
We want to divide 72626553 by 644.

Advancing to step 1:
7 divided by 644 is 0 with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Bring next digit (2) of the dividend behind the 7 and repeat the process: 72 / 644

Going ahead to step 2:
If we divide 72 by 644, we get 0 and a remainder of 72.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 72, we get 72.
Grab the next digit (6) from the dividend, add it to 72, then carry on: 726 / 644

Let's proceed to step 3:
644 can be fit into 726 1 times, resulting in a remainder of 82.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 644 from 726 leaves us with 82.
Take the next digit (2) from the dividend and append it to 82, then repeat: 822 / 644

Let's proceed to step 4:
The number 644 fits into 822 1 times, leaving a remainder of 178.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
The remainder is 178 after subtracting 644 from 822.
Include the next digit (6) from the dividend after 178, then repeat: 1786 / 644

Going ahead to step 5:
644 goes into 1786 2 times with a remainder of 498.
The number 2 becomes the next digit in our result. 
Result so far: 112.0
If we subtract 1288 from 1786, we get 498.
Append the next digit (5) from the dividend to 498 and continue with: 4985 / 644

Moving on to step 6:
644 can be fit into 4985 7 times, resulting in a remainder of 477.
The number 7 becomes the next digit in our result. 
Result so far: 1127.0
Subtracting 4508 from 4985 leaves us with 477.
Take the next digit (5) from the dividend and append it to 477, then repeat: 4775 / 644

Step 7:
644 can be fit into 4775 7 times, resulting in a remainder of 267.
The number 7 becomes the next digit in our result. 
Result so far: 11277.0
Deduct 4508 from 4775 and we're left with 267.
Take the next digit (3) from the dividend and append it to 267, then repeat: 2673 / 644

Step 8:
When dividing 2673 by 644, we get 4 with a remainder of 97.
The next digit of our result is 4. 
Result so far: 112774.0
Subtracting 2576 from 2673 leaves us with 97.
Since there are no more digits in the dividend, we add a zero to the remainder making it 970, and continue the process.

Going ahead to step 9:
The number 644 fits into 970 1 times, leaving a remainder of 326.
The next digit of our result is 1. 
Result so far: 112774.1
If we subtract 644 from 970, we get 326.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3260, and continue the process.

Advancing to step 10:
The number 644 fits into 3260 5 times, leaving a remainder of 40.
The number 5 becomes the next digit in our result. 
Result so far: 112774.15
The remainder is 40 after subtracting 3220 from 3260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 11:
When dividing 400 by 644, we get 0 with a remainder of 400.
The number 0 becomes the next digit in our result. 
Result so far: 112774.15
Deduct 0 from 400 and we're left with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Let's proceed to step 12:
644 can be fit into 4000 6 times, resulting in a remainder of 136.
Put 6 as the next digit of the answer. 
Result so far: 112774.1506
Subtracting 3864 from 4000 leaves us with 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

Step 13:
The number 644 fits into 1360 2 times, leaving a remainder of 72.
Use 2 as the next digit of our solution. 
Result so far: 112774.15062
If we take 1288 away from 1360, we end up 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.

On to step 14:
720 divided by 644 is 1 with a remainder of 76.
Record the quotient 1 as the next digit in the result. 
Result so far: 112774.150621
Subtracting 644 from 720 leaves us with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Going ahead to step 15:
760 divided by 644 is 1 with a remainder of 116.
The number 1 becomes the next digit in our result. 
Result so far: 112774.1506211
If we subtract 644 from 760, we get 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

The quotient of the division is 112774.1506211, and the remainder is 1.16e-06.