90343580 ÷ 233 
We want to divide 90343580 by 233.

Advancing to step 1:
233 goes into 9 0 times with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 9 leaves us with 9.
Take the next digit (0) from the dividend and append it to 9, then repeat: 90 / 233

Advancing to step 2:
If we divide 90 by 233, we get 0 and a remainder of 90.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 90 to get 90.
Fetch the next digit (3) from the dividend, attach it to 90 and continue: 903 / 233

Moving on to step 3:
The number 233 fits into 903 3 times, leaving a remainder of 204.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
Subtract 699 from 903 to get 204.
Bring next digit (4) of the dividend behind the 204 and repeat the process: 2044 / 233

Step 4:
If we divide 2044 by 233, we get 8 and a remainder of 180.
Put 8 as the next digit of the answer. 
Result so far: 38.0
Subtract 1864 from 2044 to get 180.
Fetch the next digit (3) from the dividend, attach it to 180 and continue: 1803 / 233

Moving on to step 5:
If we divide 1803 by 233, we get 7 and a remainder of 172.
The next digit of our result is 7. 
Result so far: 387.0
Subtracting 1631 from 1803 leaves us with 172.
Fetch the next digit (5) from the dividend, attach it to 172 and continue: 1725 / 233

Let's proceed to step 6:
1725 divided by 233 is 7 with a remainder of 94.
Record the quotient 7 as the next digit in the result. 
Result so far: 3877.0
Subtracting 1631 from 1725 leaves us with 94.
Include the next digit (8) from the dividend after 94, then repeat: 948 / 233

Let's proceed to step 7:
233 can be fit into 948 4 times, resulting in a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 38774.0
The remainder is 16 after subtracting 932 from 948.
Grab the next digit (0) from the dividend, add it to 16, then carry on: 160 / 233

Moving on to step 8:
233 can be fit into 160 0 times, resulting in a remainder of 160.
Record the quotient 0 as the next digit in the result. 
Result so far: 387740.0
Subtract 0 from 160 to get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Let's proceed to step 9:
1600 divided by 233 is 6 with a remainder of 202.
The next digit of our result is 6. 
Result so far: 387740.6
Subtracting 1398 from 1600 leaves us with 202.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

Going ahead to step 10:
The number 233 fits into 2020 8 times, leaving a remainder of 156.
The number 8 becomes the next digit in our result. 
Result so far: 387740.68
The remainder is 156 after subtracting 1864 from 2020.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1560, and continue the process.

Moving on to step 11:
1560 divided by 233 is 6 with a remainder of 162.
The number 6 becomes the next digit in our result. 
Result so far: 387740.686
Subtracting 1398 from 1560 leaves us with 162.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1620, and continue the process.

Step 12:
When dividing 1620 by 233, we get 6 with a remainder of 222.
The number 6 becomes the next digit in our result. 
Result so far: 387740.6866
If we take 1398 away from 1620, we end up with 222.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2220, and continue the process.

The final outcome is 387740.6866, with a leftover of 0.00222.