82948144 ÷ 645 
We're looking to find how many times 645 goes into 82948144.

On to step 1:
When dividing 8 by 645, we get 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Include the next digit (2) from the dividend after 8, then repeat: 82 / 645

Going ahead to step 2:
When dividing 82 by 645, we get 0 with a remainder of 82.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 82, we end up with 82.
Grab the next digit (9) from the dividend, add it to 82, then carry on: 829 / 645

Moving on to step 3:
645 can be fit into 829 1 times, resulting in a remainder of 184.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 645 away from 829, we end up with 184.
Bring next digit (4) of the dividend behind the 184 and repeat the process: 1844 / 645

Step 4:
645 can be fit into 1844 2 times, resulting in a remainder of 554.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
Deduct 1290 from 1844 and we're left with 554.
Append the next digit (8) from the dividend to 554 and continue with: 5548 / 645

Step 5:
The number 645 fits into 5548 8 times, leaving a remainder of 388.
Use 8 as the next digit of our solution. 
Result so far: 128.0
Subtract 5160 from 5548 to get 388.
Grab the next digit (1) from the dividend, add it to 388, then carry on: 3881 / 645

On to step 6:
645 goes into 3881 6 times with a remainder of 11.
The number 6 becomes the next digit in our result. 
Result so far: 1286.0
If we take 3870 away from 3881, we end up with 11.
Take the next digit (4) from the dividend and append it to 11, then repeat: 114 / 645

Step 7:
If we divide 114 by 645, we get 0 and a remainder of 114.
The next digit of our result is 0. 
Result so far: 12860.0
If we subtract 0 from 114, we get 114.
Include the next digit (4) from the dividend after 114, then repeat: 1144 / 645

Advancing to step 8:
645 goes into 1144 1 times with a remainder of 499.
The number 1 becomes the next digit in our result. 
Result so far: 128601.0
Subtracting 645 from 1144 leaves us with 499.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4990, and continue the process.

On to step 9:
4990 divided by 645 is 7 with a remainder of 475.
The next digit of our result is 7. 
Result so far: 128601.7
If we subtract 4515 from 4990, we get 475.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4750, and continue the process.

Advancing to step 10:
4750 divided by 645 is 7 with a remainder of 235.
The number 7 becomes the next digit in our result. 
Result so far: 128601.77
If we subtract 4515 from 4750, we get 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

The final result is 128601.77 with a remainder of 0.235.