We're dividing 84640638 by 963 
We're looking to find how many times 963 goes into 84640638.

Going ahead to step 1:
8 divided by 963 is 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Append the next digit (4) from the dividend to 8 and continue with: 84 / 963

Step 2:
963 can be fit into 84 0 times, resulting in a remainder of 84.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 84 leaves us with 84.
Bring next digit (6) of the dividend behind the 84 and repeat the process: 846 / 963

Let's proceed to step 3:
963 goes into 846 0 times with a remainder of 846.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 846, we get 846.
Append the next digit (4) from the dividend to 846 and continue with: 8464 / 963

Step 4:
When dividing 8464 by 963, we get 8 with a remainder of 760.
The next digit of our result is 8. 
Result so far: 8.0
Subtracting 7704 from 8464 leaves us with 760.
Include the next digit (0) from the dividend after 760, then repeat: 7600 / 963

Going ahead to step 5:
When dividing 7600 by 963, we get 7 with a remainder of 859.
The number 7 becomes the next digit in our result. 
Result so far: 87.0
Subtracting 6741 from 7600 leaves us with 859.
Include the next digit (6) from the dividend after 859, then repeat: 8596 / 963

Let's proceed to step 6:
If we divide 8596 by 963, we get 8 and a remainder of 892.
The number 8 becomes the next digit in our result. 
Result so far: 878.0
If we take 7704 away from 8596, we end up with 892.
Include the next digit (3) from the dividend after 892, then repeat: 8923 / 963

Moving on to step 7:
963 goes into 8923 9 times with a remainder of 256.
Record the quotient 9 as the next digit in the result. 
Result so far: 8789.0
If we subtract 8667 from 8923, we get 256.
Append the next digit (8) from the dividend to 256 and continue with: 2568 / 963

On to step 8:
When dividing 2568 by 963, we get 2 with a remainder of 642.
Put 2 as the next digit of the answer. 
Result so far: 87892.0
Subtract 1926 from 2568 to get 642.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6420, and continue the process.

On to step 9:
When dividing 6420 by 963, we get 6 with a remainder of 642.
Write down 6 as next digit of the result. 
Result so far: 87892.6
Subtracting 5778 from 6420 leaves us with 642.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6420, and continue the process.

Advancing to step 10:
6420 divided by 963 is 6 with a remainder of 642.
Use 6 as the next digit of our solution. 
Result so far: 87892.66
If we take 5778 away from 6420, we end up with 642.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6420, and continue the process.

After the division, we end up with 87892.66 and a remainder of 0.642.