39331344 ÷ 661 
Our goal is to divide 39331344 by 661.

Step 1:
661 goes into 3 0 times with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Fetch the next digit (9) from the dividend, attach it to 3 and continue: 39 / 661

Step 2:
The number 661 fits into 39 0 times, leaving a remainder of 39.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 39 to get 39.
Append the next digit (3) from the dividend to 39 and continue with: 393 / 661

Let's proceed to step 3:
661 goes into 393 0 times with a remainder of 393.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 393, we get 393.
Append the next digit (3) from the dividend to 393 and continue with: 3933 / 661

Moving on to step 4:
If we divide 3933 by 661, we get 5 and a remainder of 628.
Use 5 as the next digit of our solution. 
Result so far: 5.0
Deduct 3305 from 3933 and we're left with 628.
Bring next digit (1) of the dividend behind the 628 and repeat the process: 6281 / 661

Let's proceed to step 5:
When dividing 6281 by 661, we get 9 with a remainder of 332.
Write down 9 as next digit of the result. 
Result so far: 59.0
Deduct 5949 from 6281 and we're left with 332.
Append the next digit (3) from the dividend to 332 and continue with: 3323 / 661

On to step 6:
The number 661 fits into 3323 5 times, leaving a remainder of 18.
Use 5 as the next digit of our solution. 
Result so far: 595.0
If we take 3305 away from 3323, we end up with 18.
Grab the next digit (4) from the dividend, add it to 18, then carry on: 184 / 661

Advancing to step 7:
When dividing 184 by 661, we get 0 with a remainder of 184.
The number 0 becomes the next digit in our result. 
Result so far: 5950.0
Deduct 0 from 184 and we're left with 184.
Bring next digit (4) of the dividend behind the 184 and repeat the process: 1844 / 661

Going ahead to step 8:
1844 divided by 661 is 2 with a remainder of 522.
The number 2 becomes the next digit in our result. 
Result so far: 59502.0
Subtract 1322 from 1844 to get 522.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5220, and continue the process.

Let's proceed to step 9:
The number 661 fits into 5220 7 times, leaving a remainder of 593.
Use 7 as the next digit of our solution. 
Result so far: 59502.7
Subtract 4627 from 5220 to get 593.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5930, and continue the process.

On to step 10:
When dividing 5930 by 661, we get 8 with a remainder of 642.
The next digit of our result is 8. 
Result so far: 59502.78
Subtract 5288 from 5930 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.

Advancing to step 11:
661 can be fit into 6420 9 times, resulting in a remainder of 471.
Put 9 as the next digit of the answer. 
Result so far: 59502.789
If we subtract 5949 from 6420, we get 471.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4710, and continue the process.

Going ahead to step 12:
If we divide 4710 by 661, we get 7 and a remainder of 83.
The number 7 becomes the next digit in our result. 
Result so far: 59502.7897
If we take 4627 away from 4710, we end up with 83.
Since there are no more digits in the dividend, we add a zero to the remainder making it 830, and continue the process.

Advancing to step 13:
When dividing 830 by 661, we get 1 with a remainder of 169.
Put 1 as the next digit of the answer. 
Result so far: 59502.78971
Subtract 661 from 830 to get 169.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

Moving on to step 14:
When dividing 1690 by 661, we get 2 with a remainder of 368.
The next digit of our result is 2. 
Result so far: 59502.789712
If we take 1322 away from 1690, we end up with 368.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3680, and continue the process.

Advancing to step 15:
When dividing 3680 by 661, we get 5 with a remainder of 375.
Record the quotient 5 as the next digit in the result. 
Result so far: 59502.7897125
If we subtract 3305 from 3680, we get 375.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3750, and continue the process.

Step 16:
When dividing 3750 by 661, we get 5 with a remainder of 445.
Put 5 as the next digit of the answer. 
Result so far: 59502.78971255
Deduct 3305 from 3750 and we're left with 445.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4450, and continue the process.

Our division results in 59502.78971255 with a remaining 4.45e-07.