We look at the division of 77543249 by 774 
Let's see how many times 774 fits into 77543249.

Going ahead to step 1:
774 goes into 7 0 times with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 774

Advancing to step 2:
77 divided by 774 is 0 with a remainder of 77.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 77 and we're left with 77.
Take the next digit (5) from the dividend and append it to 77, then repeat: 775 / 774

Advancing to step 3:
The number 774 fits into 775 1 times, leaving a remainder of 1.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 774 from 775 and we're left with 1.
Fetch the next digit (4) from the dividend, attach it to 1 and continue: 14 / 774

On to step 4:
14 divided by 774 is 0 with a remainder of 14.
Write down 0 as next digit of the result. 
Result so far: 10.0
Subtract 0 from 14 to get 14.
Take the next digit (3) from the dividend and append it to 14, then repeat: 143 / 774

Moving on to step 5:
When dividing 143 by 774, we get 0 with a remainder of 143.
Use 0 as the next digit of our solution. 
Result so far: 100.0
If we subtract 0 from 143, we get 143.
Fetch the next digit (2) from the dividend, attach it to 143 and continue: 1432 / 774

Going ahead to step 6:
The number 774 fits into 1432 1 times, leaving a remainder of 658.
The number 1 becomes the next digit in our result. 
Result so far: 1001.0
The remainder is 658 after subtracting 774 from 1432.
Include the next digit (4) from the dividend after 658, then repeat: 6584 / 774

Going ahead to step 7:
The number 774 fits into 6584 8 times, leaving a remainder of 392.
Record the quotient 8 as the next digit in the result. 
Result so far: 10018.0
Deduct 6192 from 6584 and we're left with 392.
Include the next digit (9) from the dividend after 392, then repeat: 3929 / 774

Advancing to step 8:
3929 divided by 774 is 5 with a remainder of 59.
The number 5 becomes the next digit in our result. 
Result so far: 100185.0
If we take 3870 away from 3929, we end up with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Advancing to step 9:
If we divide 590 by 774, we get 0 and a remainder of 590.
Record the quotient 0 as the next digit in the result. 
Result so far: 100185.0
Subtract 0 from 590 to get 590.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5900, and continue the process.

Advancing to step 10:
When dividing 5900 by 774, we get 7 with a remainder of 482.
Record the quotient 7 as the next digit in the result. 
Result so far: 100185.07
The remainder is 482 after subtracting 5418 from 5900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4820, and continue the process.

Moving on to step 11:
The number 774 fits into 4820 6 times, leaving a remainder of 176.
Write down 6 as next digit of the result. 
Result so far: 100185.076
If we take 4644 away from 4820, we end up with 176.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1760, and continue the process.

Going ahead to step 12:
774 can be fit into 1760 2 times, resulting in a remainder of 212.
Use 2 as the next digit of our solution. 
Result so far: 100185.0762
Subtract 1548 from 1760 to get 212.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2120, and continue the process.

Let's proceed to step 13:
When dividing 2120 by 774, we get 2 with a remainder of 572.
Record the quotient 2 as the next digit in the result. 
Result so far: 100185.07622
Subtract 1548 from 2120 to get 572.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5720, and continue the process.

The final outcome is 100185.07622, with a leftover of 0.000572.