76155808 ÷ 648 
We want to figure out the number of times 76155808 can be divided by 648.

Moving on to step 1:
7 divided by 648 is 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Take the next digit (6) from the dividend and append it to 7, then repeat: 76 / 648

Moving on to step 2:
If we divide 76 by 648, we get 0 and a remainder of 76.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 76, we get 76.
Take the next digit (1) from the dividend and append it to 76, then repeat: 761 / 648

Advancing to step 3:
761 divided by 648 is 1 with a remainder of 113.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 648 from 761 leaves us with 113.
Bring next digit (5) of the dividend behind the 113 and repeat the process: 1135 / 648

Moving on to step 4:
When dividing 1135 by 648, we get 1 with a remainder of 487.
Put 1 as the next digit of the answer. 
Result so far: 11.0
If we take 648 away from 1135, we end up with 487.
Grab the next digit (5) from the dividend, add it to 487, then carry on: 4875 / 648

Moving on to step 5:
The number 648 fits into 4875 7 times, leaving a remainder of 339.
The number 7 becomes the next digit in our result. 
Result so far: 117.0
The remainder is 339 after subtracting 4536 from 4875.
Fetch the next digit (8) from the dividend, attach it to 339 and continue: 3398 / 648

Let's proceed to step 6:
If we divide 3398 by 648, we get 5 and a remainder of 158.
The number 5 becomes the next digit in our result. 
Result so far: 1175.0
If we subtract 3240 from 3398, we get 158.
Append the next digit (0) from the dividend to 158 and continue with: 1580 / 648

Moving on to step 7:
1580 divided by 648 is 2 with a remainder of 284.
Use 2 as the next digit of our solution. 
Result so far: 11752.0
Subtracting 1296 from 1580 leaves us with 284.
Append the next digit (8) from the dividend to 284 and continue with: 2848 / 648

Let's proceed to step 8:
2848 divided by 648 is 4 with a remainder of 256.
The number 4 becomes the next digit in our result. 
Result so far: 117524.0
If we take 2592 away from 2848, we end up with 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

Step 9:
2560 divided by 648 is 3 with a remainder of 616.
The number 3 becomes the next digit in our result. 
Result so far: 117524.3
Subtracting 1944 from 2560 leaves us with 616.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6160, and continue the process.

Advancing to step 10:
If we divide 6160 by 648, we get 9 and a remainder of 328.
Use 9 as the next digit of our solution. 
Result so far: 117524.39
Subtract 5832 from 6160 to get 328.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3280, and continue the process.

On to step 11:
648 goes into 3280 5 times with a remainder of 40.
Write down 5 as next digit of the result. 
Result so far: 117524.395
Subtract 3240 from 3280 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 12:
When dividing 400 by 648, we get 0 with a remainder of 400.
The next digit of our result is 0. 
Result so far: 117524.395
Subtracting 0 from 400 leaves us with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Advancing to step 13:
The number 648 fits into 4000 6 times, leaving a remainder of 112.
Record the quotient 6 as the next digit in the result. 
Result so far: 117524.39506
The remainder is 112 after subtracting 3888 from 4000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1120, and continue the process.

On to step 14:
648 goes into 1120 1 times with a remainder of 472.
The number 1 becomes the next digit in our result. 
Result so far: 117524.395061
If we subtract 648 from 1120, we get 472.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4720, and continue the process.

Step 15:
If we divide 4720 by 648, we get 7 and a remainder of 184.
Use 7 as the next digit of our solution. 
Result so far: 117524.3950617
Subtracting 4536 from 4720 leaves us with 184.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1840, and continue the process.

Advancing to step 16:
648 goes into 1840 2 times with a remainder of 544.
Write down 2 as next digit of the result. 
Result so far: 117524.39506172
Subtracting 1296 from 1840 leaves us with 544.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5440, and continue the process.

The final outcome is 117524.39506172, with a leftover of 5.44e-07.