81514551 ÷ 102 
Let's see how many times 102 fits into 81514551.

Step 1:
102 goes into 8 0 times with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 102

Let's proceed to step 2:
If we divide 81 by 102, we get 0 and a remainder of 81.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Bring next digit (5) of the dividend behind the 81 and repeat the process: 815 / 102

Moving on to step 3:
If we divide 815 by 102, we get 7 and a remainder of 101.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
If we take 714 away from 815, we end up with 101.
Take the next digit (1) from the dividend and append it to 101, then repeat: 1011 / 102

Advancing to step 4:
When dividing 1011 by 102, we get 9 with a remainder of 93.
The number 9 becomes the next digit in our result. 
Result so far: 79.0
If we take 918 away from 1011, we end up with 93.
Grab the next digit (4) from the dividend, add it to 93, then carry on: 934 / 102

Step 5:
102 goes into 934 9 times with a remainder of 16.
Record the quotient 9 as the next digit in the result. 
Result so far: 799.0
Subtract 918 from 934 to get 16.
Grab the next digit (5) from the dividend, add it to 16, then carry on: 165 / 102

Let's proceed to step 6:
102 can be fit into 165 1 times, resulting in a remainder of 63.
The next digit of our result is 1. 
Result so far: 7991.0
Deduct 102 from 165 and we're left with 63.
Append the next digit (5) from the dividend to 63 and continue with: 635 / 102

Going ahead to step 7:
102 goes into 635 6 times with a remainder of 23.
Write down 6 as next digit of the result. 
Result so far: 79916.0
Subtracting 612 from 635 leaves us with 23.
Take the next digit (1) from the dividend and append it to 23, then repeat: 231 / 102

Moving on to step 8:
The number 102 fits into 231 2 times, leaving a remainder of 27.
Write down 2 as next digit of the result. 
Result so far: 799162.0
If we subtract 204 from 231, we get 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

On to step 9:
The number 102 fits into 270 2 times, leaving a remainder of 66.
The number 2 becomes the next digit in our result. 
Result so far: 799162.2
Subtracting 204 from 270 leaves us with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Advancing to step 10:
102 can be fit into 660 6 times, resulting in a remainder of 48.
Record the quotient 6 as the next digit in the result. 
Result so far: 799162.26
The remainder is 48 after subtracting 612 from 660.
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 11:
The number 102 fits into 480 4 times, leaving a remainder of 72.
Put 4 as the next digit of the answer. 
Result so far: 799162.264
Deduct 408 from 480 and we're left with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

Moving on to step 12:
The number 102 fits into 720 7 times, leaving a remainder of 6.
The next digit of our result is 7. 
Result so far: 799162.2647
Subtract 714 from 720 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 13:
102 can be fit into 60 0 times, resulting in a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 799162.2647
If we subtract 0 from 60, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Let's proceed to step 14:
When dividing 600 by 102, we get 5 with a remainder of 90.
Write down 5 as next digit of the result. 
Result so far: 799162.264705
Subtracting 510 from 600 leaves us with 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 900, and continue the process.

Advancing to step 15:
When dividing 900 by 102, we get 8 with a remainder of 84.
Put 8 as the next digit of the answer. 
Result so far: 799162.2647058
If we subtract 816 from 900, we get 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Advancing to step 16:
840 divided by 102 is 8 with a remainder of 24.
Record the quotient 8 as the next digit in the result. 
Result so far: 799162.26470588
The remainder is 24 after subtracting 816 from 840.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

In conclusion, the division gives 799162.26470588 with a balance of 2.4e-08.