Let's divide 63990830 by 233
We want to figure out the number of times 63990830 can be divided by 233.

Step 1:
6 divided by 233 is 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Append the next digit (3) from the dividend to 6 and continue with: 63 / 233

Advancing to step 2:
63 divided by 233 is 0 with a remainder of 63.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 63 after subtracting 0 from 63.
Fetch the next digit (9) from the dividend, attach it to 63 and continue: 639 / 233

Step 3:
The number 233 fits into 639 2 times, leaving a remainder of 173.
The next digit of our result is 2. 
Result so far: 2.0
If we take 466 away from 639, we end up with 173.
Take the next digit (9) from the dividend and append it to 173, then repeat: 1739 / 233

Step 4:
233 goes into 1739 7 times with a remainder of 108.
Put 7 as the next digit of the answer. 
Result so far: 27.0
Subtract 1631 from 1739 to get 108.
Include the next digit (0) from the dividend after 108, then repeat: 1080 / 233

On to step 5:
The number 233 fits into 1080 4 times, leaving a remainder of 148.
The next digit of our result is 4. 
Result so far: 274.0
If we take 932 away from 1080, we end up with 148.
Bring next digit (8) of the dividend behind the 148 and repeat the process: 1488 / 233

Let's proceed to step 6:
When dividing 1488 by 233, we get 6 with a remainder of 90.
The next digit of our result is 6. 
Result so far: 2746.0
If we take 1398 away from 1488, we end up with 90.
Grab the next digit (3) from the dividend, add it to 90, then carry on: 903 / 233

Moving on to step 7:
The number 233 fits into 903 3 times, leaving a remainder of 204.
The next digit of our result is 3. 
Result so far: 27463.0
If we subtract 699 from 903, we get 204.
Include the next digit (0) from the dividend after 204, then repeat: 2040 / 233

Advancing to step 8:
2040 divided by 233 is 8 with a remainder of 176.
Record the quotient 8 as the next digit in the result. 
Result so far: 274638.0
If we subtract 1864 from 2040, we get 176.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1760, and continue the process.

Moving on to step 9:
233 can be fit into 1760 7 times, resulting in a remainder of 129.
Record the quotient 7 as the next digit in the result. 
Result so far: 274638.7
If we take 1631 away from 1760, we end up with 129.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1290, and continue the process.

Advancing to step 10:
1290 divided by 233 is 5 with a remainder of 125.
Put 5 as the next digit of the answer. 
Result so far: 274638.75
If we subtract 1165 from 1290, we get 125.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

Step 11:
233 can be fit into 1250 5 times, resulting in a remainder of 85.
The number 5 becomes the next digit in our result. 
Result so far: 274638.755
Subtracting 1165 from 1250 leaves us with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

The final result is 274638.755 with a remainder of 0.0085.