We look at the division of 780861 by 77 
Let's see how many times 77 fits into 780861.

Advancing to step 1:
The number 77 fits into 7 0 times, leaving a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 77

Let's proceed to step 2:
78 divided by 77 is 1 with a remainder of 1.
The next digit of our result is 1. 
Result so far: 1.0
If we take 77 away from 78, we end up with 1.
Grab the next digit (0) from the dividend, add it to 1, then carry on: 10 / 77

Going ahead to step 3:
The number 77 fits into 10 0 times, leaving a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 10.0
If we subtract 0 from 10, we get 10.
Grab the next digit (8) from the dividend, add it to 10, then carry on: 108 / 77

Step 4:
The number 77 fits into 108 1 times, leaving a remainder of 31.
Use 1 as the next digit of our solution. 
Result so far: 101.0
Deduct 77 from 108 and we're left with 31.
Take the next digit (6) from the dividend and append it to 31, then repeat: 316 / 77

Step 5:
316 divided by 77 is 4 with a remainder of 8.
Record the quotient 4 as the next digit in the result. 
Result so far: 1014.0
Subtract 308 from 316 to get 8.
Grab the next digit (1) from the dividend, add it to 8, then carry on: 81 / 77

Moving on to step 6:
77 can be fit into 81 1 times, resulting in a remainder of 4.
Use 1 as the next digit of our solution. 
Result so far: 10141.0
If we take 77 away from 81, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 7:
The number 77 fits into 40 0 times, leaving a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 10141.0
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 8:
The number 77 fits into 400 5 times, leaving a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 10141.05
If we take 385 away from 400, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Going ahead to step 9:
If we divide 150 by 77, we get 1 and a remainder of 73.
The number 1 becomes the next digit in our result. 
Result so far: 10141.051
Subtract 77 from 150 to get 73.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Going ahead to step 10:
When dividing 730 by 77, we get 9 with a remainder of 37.
Use 9 as the next digit of our solution. 
Result so far: 10141.0519
Subtracting 693 from 730 leaves us with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Step 11:
When dividing 370 by 77, we get 4 with a remainder of 62.
Put 4 as the next digit of the answer. 
Result so far: 10141.05194
Deduct 308 from 370 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Step 12:
When dividing 620 by 77, we get 8 with a remainder of 4.
Record the quotient 8 as the next digit in the result. 
Result so far: 10141.051948
The remainder is 4 after subtracting 616 from 620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 13:
77 goes into 40 0 times with a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 10141.051948
If we subtract 0 from 40, we 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.

Let's proceed to step 14:
77 can be fit into 400 5 times, resulting in a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 10141.05194805
Deduct 385 from 400 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

The quotient of the division is 10141.05194805, and the remainder is 1.5e-08.