77899341 ÷ 63 
Let's see how many times 63 fits into 77899341.

Advancing to step 1:
When dividing 7 by 63, we get 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 63

Advancing to step 2:
63 can be fit into 77 1 times, resulting in a remainder of 14.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 63 away from 77, we end up with 14.
Include the next digit (8) from the dividend after 14, then repeat: 148 / 63

Advancing to step 3:
If we divide 148 by 63, we get 2 and a remainder of 22.
Put 2 as the next digit of the answer. 
Result so far: 12.0
If we subtract 126 from 148, we get 22.
Include the next digit (9) from the dividend after 22, then repeat: 229 / 63

On to step 4:
When dividing 229 by 63, we get 3 with a remainder of 40.
The next digit of our result is 3. 
Result so far: 123.0
If we subtract 189 from 229, we get 40.
Append the next digit (9) from the dividend to 40 and continue with: 409 / 63

Moving on to step 5:
409 divided by 63 is 6 with a remainder of 31.
Use 6 as the next digit of our solution. 
Result so far: 1236.0
If we take 378 away from 409, we end up with 31.
Fetch the next digit (3) from the dividend, attach it to 31 and continue: 313 / 63

On to step 6:
63 goes into 313 4 times with a remainder of 61.
The next digit of our result is 4. 
Result so far: 12364.0
Subtract 252 from 313 to get 61.
Grab the next digit (4) from the dividend, add it to 61, then carry on: 614 / 63

Going ahead to step 7:
When dividing 614 by 63, we get 9 with a remainder of 47.
Write down 9 as next digit of the result. 
Result so far: 123649.0
Deduct 567 from 614 and we're left with 47.
Append the next digit (1) from the dividend to 47 and continue with: 471 / 63

On to step 8:
63 can be fit into 471 7 times, resulting in a remainder of 30.
The number 7 becomes the next digit in our result. 
Result so far: 1236497.0
If we take 441 away from 471, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 9:
When dividing 300 by 63, we get 4 with a remainder of 48.
The next digit of our result is 4. 
Result so far: 1236497.4
Subtract 252 from 300 to get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Advancing to step 10:
If we divide 480 by 63, we get 7 and a remainder of 39.
Use 7 as the next digit of our solution. 
Result so far: 1236497.47
If we take 441 away from 480, we end up with 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Let's proceed to step 11:
When dividing 390 by 63, we get 6 with a remainder of 12.
The next digit of our result is 6. 
Result so far: 1236497.476
Subtract 378 from 390 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 12:
63 goes into 120 1 times with a remainder of 57.
Record the quotient 1 as the next digit in the result. 
Result so far: 1236497.4761
If we take 63 away from 120, we end up with 57.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Step 13:
When dividing 570 by 63, we get 9 with a remainder of 3.
Write down 9 as next digit of the result. 
Result so far: 1236497.47619
Subtracting 567 from 570 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 14:
30 divided by 63 is 0 with a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 1236497.47619
Subtracting 0 from 30 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Going ahead to step 15:
300 divided by 63 is 4 with a remainder of 48.
Use 4 as the next digit of our solution. 
Result so far: 1236497.4761904
The remainder is 48 after subtracting 252 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Going ahead to step 16:
63 goes into 480 7 times with a remainder of 39.
The number 7 becomes the next digit in our result. 
Result so far: 1236497.47619047
Subtract 441 from 480 to get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

The final result is 1236497.47619047 with a remainder of 3.9e-08.