43015785 divided by 664 
Let's see how many times 664 fits into 43015785.

Advancing to step 1:
664 goes into 4 0 times with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Include the next digit (3) from the dividend after 4, then repeat: 43 / 664

Step 2:
If we divide 43 by 664, we get 0 and a remainder of 43.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 43, we get 43.
Include the next digit (0) from the dividend after 43, then repeat: 430 / 664

Step 3:
If we divide 430 by 664, we get 0 and a remainder of 430.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 430 to get 430.
Fetch the next digit (1) from the dividend, attach it to 430 and continue: 4301 / 664

Let's proceed to step 4:
When dividing 4301 by 664, we get 6 with a remainder of 317.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
Subtract 3984 from 4301 to get 317.
Fetch the next digit (5) from the dividend, attach it to 317 and continue: 3175 / 664

Step 5:
When dividing 3175 by 664, we get 4 with a remainder of 519.
Put 4 as the next digit of the answer. 
Result so far: 64.0
If we subtract 2656 from 3175, we get 519.
Grab the next digit (7) from the dividend, add it to 519, then carry on: 5197 / 664

Moving on to step 6:
The number 664 fits into 5197 7 times, leaving a remainder of 549.
The number 7 becomes the next digit in our result. 
Result so far: 647.0
If we take 4648 away from 5197, we end up with 549.
Bring next digit (8) of the dividend behind the 549 and repeat the process: 5498 / 664

Going ahead to step 7:
When dividing 5498 by 664, we get 8 with a remainder of 186.
The next digit of our result is 8. 
Result so far: 6478.0
If we take 5312 away from 5498, we end up with 186.
Take the next digit (5) from the dividend and append it to 186, then repeat: 1865 / 664

Moving on to step 8:
664 can be fit into 1865 2 times, resulting in a remainder of 537.
The number 2 becomes the next digit in our result. 
Result so far: 64782.0
Deduct 1328 from 1865 and we're left with 537.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5370, and continue the process.

Step 9:
664 goes into 5370 8 times with a remainder of 58.
Put 8 as the next digit of the answer. 
Result so far: 64782.8
Deduct 5312 from 5370 and we're left with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Step 10:
If we divide 580 by 664, we get 0 and a remainder of 580.
The next digit of our result is 0. 
Result so far: 64782.8
Deduct 0 from 580 and we're left with 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5800, and continue the process.

Let's proceed to step 11:
If we divide 5800 by 664, we get 8 and a remainder of 488.
Put 8 as the next digit of the answer. 
Result so far: 64782.808
Subtracting 5312 from 5800 leaves us with 488.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4880, and continue the process.

On to step 12:
If we divide 4880 by 664, we get 7 and a remainder of 232.
Record the quotient 7 as the next digit in the result. 
Result so far: 64782.8087
If we subtract 4648 from 4880, we get 232.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

Advancing to step 13:
If we divide 2320 by 664, we get 3 and a remainder of 328.
Record the quotient 3 as the next digit in the result. 
Result so far: 64782.80873
If we take 1992 away from 2320, we end up with 328.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3280, and continue the process.

Advancing to step 14:
664 goes into 3280 4 times with a remainder of 624.
Record the quotient 4 as the next digit in the result. 
Result so far: 64782.808734
Deduct 2656 from 3280 and we're left with 624.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6240, and continue the process.

On to step 15:
664 goes into 6240 9 times with a remainder of 264.
Use 9 as the next digit of our solution. 
Result so far: 64782.8087349
Subtracting 5976 from 6240 leaves us with 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Let's proceed to step 16:
The number 664 fits into 2640 3 times, leaving a remainder of 648.
Use 3 as the next digit of our solution. 
Result so far: 64782.80873493
The remainder is 648 after subtracting 1992 from 2640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6480, and continue the process.

After the division, we end up with 64782.80873493 and a remainder of 6.48e-07.