We divide 644515 by 84
We want to figure out the number of times 644515 can be divided by 84.

Advancing to step 1:
If we divide 6 by 84, we get 0 and a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (4) from the dividend, attach it to 6 and continue: 64 / 84

Going ahead to step 2:
When dividing 64 by 84, we get 0 with a remainder of 64.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 64 to get 64.
Take the next digit (4) from the dividend and append it to 64, then repeat: 644 / 84

Moving on to step 3:
When dividing 644 by 84, we get 7 with a remainder of 56.
Put 7 as the next digit of the answer. 
Result so far: 7.0
If we take 588 away from 644, we end up with 56.
Take the next digit (5) from the dividend and append it to 56, then repeat: 565 / 84

Let's proceed to step 4:
84 goes into 565 6 times with a remainder of 61.
Write down 6 as next digit of the result. 
Result so far: 76.0
The remainder is 61 after subtracting 504 from 565.
Append the next digit (1) from the dividend to 61 and continue with: 611 / 84

Step 5:
The number 84 fits into 611 7 times, leaving a remainder of 23.
Put 7 as the next digit of the answer. 
Result so far: 767.0
If we take 588 away from 611, we end up with 23.
Include the next digit (5) from the dividend after 23, then repeat: 235 / 84

Moving on to step 6:
84 goes into 235 2 times with a remainder of 67.
Record the quotient 2 as the next digit in the result. 
Result so far: 7672.0
Subtracting 168 from 235 leaves us with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Going ahead to step 7:
84 can be fit into 670 7 times, resulting in a remainder of 82.
The next digit of our result is 7. 
Result so far: 7672.7
If we take 588 away from 670, we end up with 82.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

On to step 8:
84 can be fit into 820 9 times, resulting in a remainder of 64.
The number 9 becomes the next digit in our result. 
Result so far: 7672.79
If we subtract 756 from 820, we get 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

Let's proceed to step 9:
84 can be fit into 640 7 times, resulting in a remainder of 52.
Write down 7 as next digit of the result. 
Result so far: 7672.797
If we subtract 588 from 640, we get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Step 10:
84 goes into 520 6 times with a remainder of 16.
Record the quotient 6 as the next digit in the result. 
Result so far: 7672.7976
If we subtract 504 from 520, we get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Step 11:
The number 84 fits into 160 1 times, leaving a remainder of 76.
The number 1 becomes the next digit in our result. 
Result so far: 7672.79761
Deduct 84 from 160 and we're left 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.

Moving on to step 12:
84 can be fit into 760 9 times, resulting in a remainder of 4.
Use 9 as the next digit of our solution. 
Result so far: 7672.797619
Subtract 756 from 760 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 13:
When dividing 40 by 84, we get 0 with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 7672.797619
Subtracting 0 from 40 leaves us 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.

Advancing to step 14:
When dividing 400 by 84, we get 4 with a remainder of 64.
Write down 4 as next digit of the result. 
Result so far: 7672.79761904
Deduct 336 from 400 and we're left with 64.
Since there are no more digits in the dividend, we add a zero to the remainder making it 640, and continue the process.

After the division, we end up with 7672.79761904 and a remainder of 6.4e-08.