We're dividing 77187682 by 449 
We want to figure out the number of times 77187682 can be divided by 449.

Step 1:
449 can be fit into 7 0 times, resulting in a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Take the next digit (7) from the dividend and append it to 7, then repeat: 77 / 449

On to step 2:
77 divided by 449 is 0 with a remainder of 77.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 77 to get 77.
Grab the next digit (1) from the dividend, add it to 77, then carry on: 771 / 449

Going ahead to step 3:
The number 449 fits into 771 1 times, leaving a remainder of 322.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 449 from 771, we get 322.
Take the next digit (8) from the dividend and append it to 322, then repeat: 3228 / 449

Moving on to step 4:
449 goes into 3228 7 times with a remainder of 85.
Write down 7 as next digit of the result. 
Result so far: 17.0
Subtract 3143 from 3228 to get 85.
Grab the next digit (7) from the dividend, add it to 85, then carry on: 857 / 449

Step 5:
The number 449 fits into 857 1 times, leaving a remainder of 408.
Record the quotient 1 as the next digit in the result. 
Result so far: 171.0
The remainder is 408 after subtracting 449 from 857.
Grab the next digit (6) from the dividend, add it to 408, then carry on: 4086 / 449

Advancing to step 6:
449 goes into 4086 9 times with a remainder of 45.
Use 9 as the next digit of our solution. 
Result so far: 1719.0
If we subtract 4041 from 4086, we get 45.
Include the next digit (8) from the dividend after 45, then repeat: 458 / 449

Step 7:
458 divided by 449 is 1 with a remainder of 9.
Put 1 as the next digit of the answer. 
Result so far: 17191.0
Subtracting 449 from 458 leaves us with 9.
Include the next digit (2) from the dividend after 9, then repeat: 92 / 449

Let's proceed to step 8:
92 divided by 449 is 0 with a remainder of 92.
The next digit of our result is 0. 
Result so far: 171910.0
Subtracting 0 from 92 leaves us with 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

Moving on to step 9:
If we divide 920 by 449, we get 2 and a remainder of 22.
Put 2 as the next digit of the answer. 
Result so far: 171910.2
Deduct 898 from 920 and we're left with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Going ahead to step 10:
The number 449 fits into 220 0 times, leaving a remainder of 220.
Use 0 as the next digit of our solution. 
Result so far: 171910.2
Subtracting 0 from 220 leaves us with 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Let's proceed to step 11:
The number 449 fits into 2200 4 times, leaving a remainder of 404.
Put 4 as the next digit of the answer. 
Result so far: 171910.204
The remainder is 404 after subtracting 1796 from 2200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4040, and continue the process.

Step 12:
If we divide 4040 by 449, we get 8 and a remainder of 448.
The number 8 becomes the next digit in our result. 
Result so far: 171910.2048
Subtracting 3592 from 4040 leaves us with 448.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4480, and continue the process.

Going ahead to step 13:
The number 449 fits into 4480 9 times, leaving a remainder of 439.
Use 9 as the next digit of our solution. 
Result so far: 171910.20489
The remainder is 439 after subtracting 4041 from 4480.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4390, and continue the process.

Moving on to step 14:
449 goes into 4390 9 times with a remainder of 349.
Write down 9 as next digit of the result. 
Result so far: 171910.204899
The remainder is 349 after subtracting 4041 from 4390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3490, and continue the process.

The final outcome is 171910.204899, with a leftover of 3.49e-05.