We're dividing 66640005 by 45 
Our goal is to divide 66640005 by 45.

Step 1:
If we divide 6 by 45, we get 0 and a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 45

Moving on to step 2:
45 goes into 66 1 times with a remainder of 21.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 45 away from 66, we end up with 21.
Fetch the next digit (6) from the dividend, attach it to 21 and continue: 216 / 45

Let's proceed to step 3:
45 goes into 216 4 times with a remainder of 36.
The next digit of our result is 4. 
Result so far: 14.0
Subtracting 180 from 216 leaves us with 36.
Append the next digit (4) from the dividend to 36 and continue with: 364 / 45

Let's proceed to step 4:
If we divide 364 by 45, we get 8 and a remainder of 4.
The next digit of our result is 8. 
Result so far: 148.0
If we subtract 360 from 364, we get 4.
Take the next digit (0) from the dividend and append it to 4, then repeat: 40 / 45

On to step 5:
If we divide 40 by 45, we get 0 and a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 1480.0
Deduct 0 from 40 and we're left with 40.
Take the next digit (0) from the dividend and append it to 40, then repeat: 400 / 45

Going ahead to step 6:
If we divide 400 by 45, we get 8 and a remainder of 40.
The number 8 becomes the next digit in our result. 
Result so far: 14808.0
Deduct 360 from 400 and we're left with 40.
Append the next digit (0) from the dividend to 40 and continue with: 400 / 45

Step 7:
The number 45 fits into 400 8 times, leaving a remainder of 40.
Put 8 as the next digit of the answer. 
Result so far: 148088.0
If we subtract 360 from 400, we get 40.
Bring next digit (5) of the dividend behind the 40 and repeat the process: 405 / 45

On to step 8:
405 divided by 45 is 9 with a remainder of 0.
The number 9 becomes the next digit in our result. 
Result so far: 1480889.0
Deduct 405 from 405 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 9:
If we divide 0 by 45, we get 0 and a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 1480889.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 10:
45 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 1480889.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 1480889.0 with a remainder of 0.0.