Let's divide 43894515 by 644
We're looking to find how many times 644 goes into 43894515.

Let's proceed to step 1:
644 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Fetch the next digit (3) from the dividend, attach it to 4 and continue: 43 / 644

Let's proceed to step 2:
644 goes into 43 0 times with a remainder of 43.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 43, we end up with 43.
Include the next digit (8) from the dividend after 43, then repeat: 438 / 644

Going ahead to step 3:
When dividing 438 by 644, we get 0 with a remainder of 438.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 438, we end up with 438.
Fetch the next digit (9) from the dividend, attach it to 438 and continue: 4389 / 644

Advancing to step 4:
644 can be fit into 4389 6 times, resulting in a remainder of 525.
Use 6 as the next digit of our solution. 
Result so far: 6.0
Subtract 3864 from 4389 to get 525.
Include the next digit (4) from the dividend after 525, then repeat: 5254 / 644

Step 5:
644 goes into 5254 8 times with a remainder of 102.
The next digit of our result is 8. 
Result so far: 68.0
Deduct 5152 from 5254 and we're left with 102.
Fetch the next digit (5) from the dividend, attach it to 102 and continue: 1025 / 644

Advancing to step 6:
1025 divided by 644 is 1 with a remainder of 381.
Write down 1 as next digit of the result. 
Result so far: 681.0
Deduct 644 from 1025 and we're left with 381.
Grab the next digit (1) from the dividend, add it to 381, then carry on: 3811 / 644

On to step 7:
644 can be fit into 3811 5 times, resulting in a remainder of 591.
Write down 5 as next digit of the result. 
Result so far: 6815.0
Subtracting 3220 from 3811 leaves us with 591.
Fetch the next digit (5) from the dividend, attach it to 591 and continue: 5915 / 644

On to step 8:
644 can be fit into 5915 9 times, resulting in a remainder of 119.
Write down 9 as next digit of the result. 
Result so far: 68159.0
Subtract 5796 from 5915 to get 119.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1190, and continue the process.

Moving on to step 9:
1190 divided by 644 is 1 with a remainder of 546.
The next digit of our result is 1. 
Result so far: 68159.1
Subtracting 644 from 1190 leaves us with 546.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5460, and continue the process.

Let's proceed to step 10:
If we divide 5460 by 644, we get 8 and a remainder of 308.
The number 8 becomes the next digit in our result. 
Result so far: 68159.18
The remainder is 308 after subtracting 5152 from 5460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

On to step 11:
The number 644 fits into 3080 4 times, leaving a remainder of 504.
Record the quotient 4 as the next digit in the result. 
Result so far: 68159.184
If we take 2576 away from 3080, we end up with 504.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

Step 12:
644 can be fit into 5040 7 times, resulting in a remainder of 532.
Write down 7 as next digit of the result. 
Result so far: 68159.1847
Deduct 4508 from 5040 and we're left with 532.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5320, and continue the process.

Going ahead to step 13:
If we divide 5320 by 644, we get 8 and a remainder of 168.
Record the quotient 8 as the next digit in the result. 
Result so far: 68159.18478
Subtracting 5152 from 5320 leaves us with 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

Going ahead to step 14:
644 goes into 1680 2 times with a remainder of 392.
Use 2 as the next digit of our solution. 
Result so far: 68159.184782
Deduct 1288 from 1680 and we're left with 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Let's proceed to step 15:
When dividing 3920 by 644, we get 6 with a remainder of 56.
The number 6 becomes the next digit in our result. 
Result so far: 68159.1847826
If we take 3864 away from 3920, we end up with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 16:
644 goes into 560 0 times with a remainder of 560.
Use 0 as the next digit of our solution. 
Result so far: 68159.1847826
Subtracting 0 from 560 leaves us with 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

In conclusion, the division gives 68159.1847826 with a balance of 5.6e-07.