91788790 divided by 516 
We want to figure out the number of times 91788790 can be divided by 516.

Going ahead to step 1:
516 can be fit into 9 0 times, resulting in a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Grab the next digit (1) from the dividend, add it to 9, then carry on: 91 / 516

On to step 2:
If we divide 91 by 516, we get 0 and a remainder of 91.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 91 and we're left with 91.
Grab the next digit (7) from the dividend, add it to 91, then carry on: 917 / 516

Moving on to step 3:
The number 516 fits into 917 1 times, leaving a remainder of 401.
Use 1 as the next digit of our solution. 
Result so far: 1.0
The remainder is 401 after subtracting 516 from 917.
Bring next digit (8) of the dividend behind the 401 and repeat the process: 4018 / 516

Let's proceed to step 4:
516 goes into 4018 7 times with a remainder of 406.
Put 7 as the next digit of the answer. 
Result so far: 17.0
Subtracting 3612 from 4018 leaves us with 406.
Fetch the next digit (8) from the dividend, attach it to 406 and continue: 4068 / 516

Moving on to step 5:
516 goes into 4068 7 times with a remainder of 456.
Put 7 as the next digit of the answer. 
Result so far: 177.0
The remainder is 456 after subtracting 3612 from 4068.
Include the next digit (7) from the dividend after 456, then repeat: 4567 / 516

On to step 6:
If we divide 4567 by 516, we get 8 and a remainder of 439.
Use 8 as the next digit of our solution. 
Result so far: 1778.0
Subtracting 4128 from 4567 leaves us with 439.
Fetch the next digit (9) from the dividend, attach it to 439 and continue: 4399 / 516

Step 7:
4399 divided by 516 is 8 with a remainder of 271.
Put 8 as the next digit of the answer. 
Result so far: 17788.0
If we subtract 4128 from 4399, we get 271.
Append the next digit (0) from the dividend to 271 and continue with: 2710 / 516

Moving on to step 8:
2710 divided by 516 is 5 with a remainder of 130.
Write down 5 as next digit of the result. 
Result so far: 177885.0
Subtract 2580 from 2710 to get 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Advancing to step 9:
516 goes into 1300 2 times with a remainder of 268.
The next digit of our result is 2. 
Result so far: 177885.2
If we subtract 1032 from 1300, we get 268.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

Going ahead to step 10:
516 can be fit into 2680 5 times, resulting in a remainder of 100.
Record the quotient 5 as the next digit in the result. 
Result so far: 177885.25
If we subtract 2580 from 2680, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Let's proceed to step 11:
516 goes into 1000 1 times with a remainder of 484.
The next digit of our result is 1. 
Result so far: 177885.251
Subtract 516 from 1000 to get 484.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4840, and continue the process.

Step 12:
The number 516 fits into 4840 9 times, leaving a remainder of 196.
The number 9 becomes the next digit in our result. 
Result so far: 177885.2519
The remainder is 196 after subtracting 4644 from 4840.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

On to step 13:
516 goes into 1960 3 times with a remainder of 412.
The number 3 becomes the next digit in our result. 
Result so far: 177885.25193
If we subtract 1548 from 1960, we get 412.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4120, and continue the process.

Step 14:
The number 516 fits into 4120 7 times, leaving a remainder of 508.
The next digit of our result is 7. 
Result so far: 177885.251937
The remainder is 508 after subtracting 3612 from 4120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5080, and continue the process.

Let's proceed to step 15:
When dividing 5080 by 516, we get 9 with a remainder of 436.
Record the quotient 9 as the next digit in the result. 
Result so far: 177885.2519379
Deduct 4644 from 5080 and we're left with 436.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4360, and continue the process.

Advancing to step 16:
When dividing 4360 by 516, we get 8 with a remainder of 232.
The number 8 becomes the next digit in our result. 
Result so far: 177885.25193798
The remainder is 232 after subtracting 4128 from 4360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2320, and continue the process.

The final result is 177885.25193798 with a remainder of 2.32e-07.