21011682 ÷ 778 
We want to figure out the number of times 21011682 can be divided by 778.

Advancing to step 1:
778 goes into 2 0 times with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Fetch the next digit (1) from the dividend, attach it to 2 and continue: 21 / 778

Going ahead to step 2:
778 can be fit into 21 0 times, resulting in a remainder of 21.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 21 and we're left with 21.
Fetch the next digit (0) from the dividend, attach it to 21 and continue: 210 / 778

Let's proceed to step 3:
When dividing 210 by 778, we get 0 with a remainder of 210.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 210, we end up with 210.
Include the next digit (1) from the dividend after 210, then repeat: 2101 / 778

Going ahead to step 4:
When dividing 2101 by 778, we get 2 with a remainder of 545.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Deduct 1556 from 2101 and we're left with 545.
Take the next digit (1) from the dividend and append it to 545, then repeat: 5451 / 778

Let's proceed to step 5:
When dividing 5451 by 778, we get 7 with a remainder of 5.
The number 7 becomes the next digit in our result. 
Result so far: 27.0
Subtract 5446 from 5451 to get 5.
Include the next digit (6) from the dividend after 5, then repeat: 56 / 778

Going ahead to step 6:
If we divide 56 by 778, we get 0 and a remainder of 56.
Use 0 as the next digit of our solution. 
Result so far: 270.0
Deduct 0 from 56 and we're left with 56.
Bring next digit (8) of the dividend behind the 56 and repeat the process: 568 / 778

Let's proceed to step 7:
778 goes into 568 0 times with a remainder of 568.
Use 0 as the next digit of our solution. 
Result so far: 2700.0
Subtract 0 from 568 to get 568.
Grab the next digit (2) from the dividend, add it to 568, then carry on: 5682 / 778

Let's proceed to step 8:
When dividing 5682 by 778, we get 7 with a remainder of 236.
Write down 7 as next digit of the result. 
Result so far: 27007.0
Subtracting 5446 from 5682 leaves us with 236.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2360, and continue the process.

Going ahead to step 9:
If we divide 2360 by 778, we get 3 and a remainder of 26.
Record the quotient 3 as the next digit in the result. 
Result so far: 27007.3
If we take 2334 away from 2360, we end up with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 10:
260 divided by 778 is 0 with a remainder of 260.
The number 0 becomes the next digit in our result. 
Result so far: 27007.3
Deduct 0 from 260 and we're left with 260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2600, and continue the process.

Moving on to step 11:
When dividing 2600 by 778, we get 3 with a remainder of 266.
Put 3 as the next digit of the answer. 
Result so far: 27007.303
Subtract 2334 from 2600 to get 266.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2660, and continue the process.

Going ahead to step 12:
778 goes into 2660 3 times with a remainder of 326.
Use 3 as the next digit of our solution. 
Result so far: 27007.3033
The remainder is 326 after subtracting 2334 from 2660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3260, and continue the process.

Our division results in 27007.3033 with a remaining 0.00326.