8158522 divided by 990 
Our goal is to divide 8158522 by 990.

Advancing to step 1:
8 divided by 990 is 0 with a remainder of 8.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Take the next digit (1) from the dividend and append it to 8, then repeat: 81 / 990

Let's proceed to step 2:
990 goes into 81 0 times with a remainder of 81.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Take the next digit (5) from the dividend and append it to 81, then repeat: 815 / 990

On to step 3:
If we divide 815 by 990, we get 0 and a remainder of 815.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 815 leaves us with 815.
Append the next digit (8) from the dividend to 815 and continue with: 8158 / 990

On to step 4:
8158 divided by 990 is 8 with a remainder of 238.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we subtract 7920 from 8158, we get 238.
Include the next digit (5) from the dividend after 238, then repeat: 2385 / 990

On to step 5:
If we divide 2385 by 990, we get 2 and a remainder of 405.
Record the quotient 2 as the next digit in the result. 
Result so far: 82.0
Subtract 1980 from 2385 to get 405.
Bring next digit (2) of the dividend behind the 405 and repeat the process: 4052 / 990

Let's proceed to step 6:
When dividing 4052 by 990, we get 4 with a remainder of 92.
Record the quotient 4 as the next digit in the result. 
Result so far: 824.0
Deduct 3960 from 4052 and we're left with 92.
Append the next digit (2) from the dividend to 92 and continue with: 922 / 990

Advancing to step 7:
When dividing 922 by 990, we get 0 with a remainder of 922.
The next digit of our result is 0. 
Result so far: 8240.0
If we subtract 0 from 922, we get 922.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9220, and continue the process.

Moving on to step 8:
9220 divided by 990 is 9 with a remainder of 310.
Put 9 as the next digit of the answer. 
Result so far: 8240.9
The remainder is 310 after subtracting 8910 from 9220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

On to step 9:
The number 990 fits into 3100 3 times, leaving a remainder of 130.
The number 3 becomes the next digit in our result. 
Result so far: 8240.93
Subtracting 2970 from 3100 leaves us with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Moving on to step 10:
When dividing 1300 by 990, we get 1 with a remainder of 310.
Use 1 as the next digit of our solution. 
Result so far: 8240.931
If we subtract 990 from 1300, we get 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Advancing to step 11:
990 goes into 3100 3 times with a remainder of 130.
Put 3 as the next digit of the answer. 
Result so far: 8240.9313
Deduct 2970 from 3100 and we're left with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

Going ahead to step 12:
When dividing 1300 by 990, we get 1 with a remainder of 310.
Put 1 as the next digit of the answer. 
Result so far: 8240.93131
Subtract 990 from 1300 to get 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Moving on to step 13:
The number 990 fits into 3100 3 times, leaving a remainder of 130.
Use 3 as the next digit of our solution. 
Result so far: 8240.931313
The remainder is 130 after subtracting 2970 from 3100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

On to step 14:
If we divide 1300 by 990, we get 1 and a remainder of 310.
Write down 1 as next digit of the result. 
Result so far: 8240.9313131
Subtracting 990 from 1300 leaves us with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Moving on to step 15:
990 can be fit into 3100 3 times, resulting in a remainder of 130.
Write down 3 as next digit of the result. 
Result so far: 8240.93131313
Subtract 2970 from 3100 to get 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

In conclusion, the division gives 8240.93131313 with a balance of 1.3e-07.