51021948 ÷ 797 
Let's see how many times 797 fits into 51021948.

Advancing to step 1:
5 divided by 797 is 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 5 after subtracting 0 from 5.
Take the next digit (1) from the dividend and append it to 5, then repeat: 51 / 797

Moving on to step 2:
797 can be fit into 51 0 times, resulting in a remainder of 51.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Include the next digit (0) from the dividend after 51, then repeat: 510 / 797

Let's proceed to step 3:
797 can be fit into 510 0 times, resulting in a remainder of 510.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 510 to get 510.
Grab the next digit (2) from the dividend, add it to 510, then carry on: 5102 / 797

Step 4:
797 goes into 5102 6 times with a remainder of 320.
Record the quotient 6 as the next digit in the result. 
Result so far: 6.0
Subtract 4782 from 5102 to get 320.
Append the next digit (1) from the dividend to 320 and continue with: 3201 / 797

Going ahead to step 5:
The number 797 fits into 3201 4 times, leaving a remainder of 13.
The number 4 becomes the next digit in our result. 
Result so far: 64.0
If we subtract 3188 from 3201, we get 13.
Fetch the next digit (9) from the dividend, attach it to 13 and continue: 139 / 797

On to step 6:
The number 797 fits into 139 0 times, leaving a remainder of 139.
Use 0 as the next digit of our solution. 
Result so far: 640.0
The remainder is 139 after subtracting 0 from 139.
Grab the next digit (4) from the dividend, add it to 139, then carry on: 1394 / 797

Step 7:
797 goes into 1394 1 times with a remainder of 597.
Put 1 as the next digit of the answer. 
Result so far: 6401.0
Deduct 797 from 1394 and we're left with 597.
Grab the next digit (8) from the dividend, add it to 597, then carry on: 5978 / 797

Going ahead to step 8:
If we divide 5978 by 797, we get 7 and a remainder of 399.
The next digit of our result is 7. 
Result so far: 64017.0
Subtract 5579 from 5978 to get 399.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3990, and continue the process.

Going ahead to step 9:
797 can be fit into 3990 5 times, resulting in a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 64017.5
Subtracting 3985 from 3990 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 10:
50 divided by 797 is 0 with a remainder of 50.
Put 0 as the next digit of the answer. 
Result so far: 64017.5
If we take 0 away from 50, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 11:
When dividing 500 by 797, we get 0 with a remainder of 500.
The number 0 becomes the next digit in our result. 
Result so far: 64017.5
If we subtract 0 from 500, we get 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5000, and continue the process.

The final result is 64017.5 with a remainder of 0.05.