838511 divided by 77 
Our goal is to divide 838511 by 77.

Let's proceed to step 1:
8 divided by 77 is 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Bring next digit (3) of the dividend behind the 8 and repeat the process: 83 / 77

Moving on to step 2:
83 divided by 77 is 1 with a remainder of 6.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtracting 77 from 83 leaves us with 6.
Bring next digit (8) of the dividend behind the 6 and repeat the process: 68 / 77

Advancing to step 3:
When dividing 68 by 77, we get 0 with a remainder of 68.
Write down 0 as next digit of the result. 
Result so far: 10.0
Deduct 0 from 68 and we're left with 68.
Bring next digit (5) of the dividend behind the 68 and repeat the process: 685 / 77

Let's proceed to step 4:
If we divide 685 by 77, we get 8 and a remainder of 69.
The number 8 becomes the next digit in our result. 
Result so far: 108.0
If we subtract 616 from 685, we get 69.
Include the next digit (1) from the dividend after 69, then repeat: 691 / 77

Going ahead to step 5:
691 divided by 77 is 8 with a remainder of 75.
Write down 8 as next digit of the result. 
Result so far: 1088.0
Subtract 616 from 691 to get 75.
Grab the next digit (1) from the dividend, add it to 75, then carry on: 751 / 77

Going ahead to step 6:
751 divided by 77 is 9 with a remainder of 58.
Record the quotient 9 as the next digit in the result. 
Result so far: 10889.0
Subtracting 693 from 751 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

On to step 7:
The number 77 fits into 580 7 times, leaving a remainder of 41.
Write down 7 as next digit of the result. 
Result so far: 10889.7
If we take 539 away from 580, we end up with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Step 8:
When dividing 410 by 77, we get 5 with a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 10889.75
Subtract 385 from 410 to get 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Moving on to step 9:
When dividing 250 by 77, we get 3 with a remainder of 19.
Use 3 as the next digit of our solution. 
Result so far: 10889.753
Subtract 231 from 250 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

On to step 10:
190 divided by 77 is 2 with a remainder of 36.
The number 2 becomes the next digit in our result. 
Result so far: 10889.7532
If we subtract 154 from 190, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Step 11:
77 goes into 360 4 times with a remainder of 52.
Write down 4 as next digit of the result. 
Result so far: 10889.75324
If we take 308 away from 360, we end up with 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Advancing to step 12:
When dividing 520 by 77, we get 6 with a remainder of 58.
Record the quotient 6 as the next digit in the result. 
Result so far: 10889.753246
Deduct 462 from 520 and we're left with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

On to step 13:
If we divide 580 by 77, we get 7 and a remainder of 41.
Write down 7 as next digit of the result. 
Result so far: 10889.7532467
The remainder is 41 after subtracting 539 from 580.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Going ahead to step 14:
77 goes into 410 5 times with a remainder of 25.
The number 5 becomes the next digit in our result. 
Result so far: 10889.75324675
Deduct 385 from 410 and we're left with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

After the division, we end up with 10889.75324675 and a remainder of 2.5e-08.