We're dividing 34250654 by 645 
We want to divide 34250654 by 645.

On to step 1:
The number 645 fits into 3 0 times, leaving a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Bring next digit (4) of the dividend behind the 3 and repeat the process: 34 / 645

Advancing to step 2:
34 divided by 645 is 0 with a remainder of 34.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 34 and we're left with 34.
Bring next digit (2) of the dividend behind the 34 and repeat the process: 342 / 645

Advancing to step 3:
When dividing 342 by 645, we get 0 with a remainder of 342.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 342 to get 342.
Append the next digit (5) from the dividend to 342 and continue with: 3425 / 645

On to step 4:
When dividing 3425 by 645, we get 5 with a remainder of 200.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
If we take 3225 away from 3425, we end up with 200.
Bring next digit (0) of the dividend behind the 200 and repeat the process: 2000 / 645

On to step 5:
645 can be fit into 2000 3 times, resulting in a remainder of 65.
The next digit of our result is 3. 
Result so far: 53.0
If we take 1935 away from 2000, we end up with 65.
Include the next digit (6) from the dividend after 65, then repeat: 656 / 645

Let's proceed to step 6:
656 divided by 645 is 1 with a remainder of 11.
The number 1 becomes the next digit in our result. 
Result so far: 531.0
The remainder is 11 after subtracting 645 from 656.
Grab the next digit (5) from the dividend, add it to 11, then carry on: 115 / 645

Moving on to step 7:
645 goes into 115 0 times with a remainder of 115.
Put 0 as the next digit of the answer. 
Result so far: 5310.0
If we take 0 away from 115, we end up with 115.
Grab the next digit (4) from the dividend, add it to 115, then carry on: 1154 / 645

On to step 8:
645 goes into 1154 1 times with a remainder of 509.
The number 1 becomes the next digit in our result. 
Result so far: 53101.0
If we subtract 645 from 1154, we get 509.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5090, and continue the process.

Moving on to step 9:
645 can be fit into 5090 7 times, resulting in a remainder of 575.
Use 7 as the next digit of our solution. 
Result so far: 53101.7
The remainder is 575 after subtracting 4515 from 5090.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5750, and continue the process.

Going ahead to step 10:
If we divide 5750 by 645, we get 8 and a remainder of 590.
Write down 8 as next digit of the result. 
Result so far: 53101.78
The remainder is 590 after subtracting 5160 from 5750.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5900, and continue the process.

Going ahead to step 11:
If we divide 5900 by 645, we get 9 and a remainder of 95.
Write down 9 as next digit of the result. 
Result so far: 53101.789
If we subtract 5805 from 5900, we get 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

Advancing to step 12:
645 goes into 950 1 times with a remainder of 305.
The number 1 becomes the next digit in our result. 
Result so far: 53101.7891
Subtracting 645 from 950 leaves us with 305.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3050, and continue the process.

Step 13:
The number 645 fits into 3050 4 times, leaving a remainder of 470.
The next digit of our result is 4. 
Result so far: 53101.78914
If we take 2580 away from 3050, we end up with 470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4700, and continue the process.

Advancing to step 14:
4700 divided by 645 is 7 with a remainder of 185.
Use 7 as the next digit of our solution. 
Result so far: 53101.789147
Deduct 4515 from 4700 and we're left with 185.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1850, and continue the process.

Let's proceed to step 15:
1850 divided by 645 is 2 with a remainder of 560.
The next digit of our result is 2. 
Result so far: 53101.7891472
Subtract 1290 from 1850 to get 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

Let's proceed to step 16:
645 goes into 5600 8 times with a remainder of 440.
Put 8 as the next digit of the answer. 
Result so far: 53101.78914728
The remainder is 440 after subtracting 5160 from 5600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4400, and continue the process.

The final outcome is 53101.78914728, with a leftover of 4.4e-07.