15766328 ÷ 407 
We want to figure out the number of times 15766328 can be divided by 407.

Step 1:
1 divided by 407 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Append the next digit (5) from the dividend to 1 and continue with: 15 / 407

Step 2:
If we divide 15 by 407, we get 0 and a remainder of 15.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 15, we end up with 15.
Append the next digit (7) from the dividend to 15 and continue with: 157 / 407

Advancing to step 3:
The number 407 fits into 157 0 times, leaving a remainder of 157.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 157 and we're left with 157.
Include the next digit (6) from the dividend after 157, then repeat: 1576 / 407

Going ahead to step 4:
When dividing 1576 by 407, we get 3 with a remainder of 355.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
If we subtract 1221 from 1576, we get 355.
Append the next digit (6) from the dividend to 355 and continue with: 3556 / 407

Moving on to step 5:
The number 407 fits into 3556 8 times, leaving a remainder of 300.
The number 8 becomes the next digit in our result. 
Result so far: 38.0
If we subtract 3256 from 3556, we get 300.
Include the next digit (3) from the dividend after 300, then repeat: 3003 / 407

Step 6:
If we divide 3003 by 407, we get 7 and a remainder of 154.
Put 7 as the next digit of the answer. 
Result so far: 387.0
Subtracting 2849 from 3003 leaves us with 154.
Append the next digit (2) from the dividend to 154 and continue with: 1542 / 407

Let's proceed to step 7:
407 can be fit into 1542 3 times, resulting in a remainder of 321.
Use 3 as the next digit of our solution. 
Result so far: 3873.0
Subtract 1221 from 1542 to get 321.
Fetch the next digit (8) from the dividend, attach it to 321 and continue: 3218 / 407

Let's proceed to step 8:
407 goes into 3218 7 times with a remainder of 369.
Record the quotient 7 as the next digit in the result. 
Result so far: 38737.0
The remainder is 369 after subtracting 2849 from 3218.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3690, and continue the process.

Going ahead to step 9:
The number 407 fits into 3690 9 times, leaving a remainder of 27.
Record the quotient 9 as the next digit in the result. 
Result so far: 38737.9
Subtract 3663 from 3690 to get 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

On to step 10:
407 can be fit into 270 0 times, resulting in a remainder of 270.
The next digit of our result is 0. 
Result so far: 38737.9
Subtract 0 from 270 to get 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

On to step 11:
2700 divided by 407 is 6 with a remainder of 258.
The number 6 becomes the next digit in our result. 
Result so far: 38737.906
The remainder is 258 after subtracting 2442 from 2700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2580, and continue the process.

Moving on to step 12:
407 can be fit into 2580 6 times, resulting in a remainder of 138.
The number 6 becomes the next digit in our result. 
Result so far: 38737.9066
Subtract 2442 from 2580 to get 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

The quotient of the division is 38737.9066, and the remainder is 0.00138.