45081256 ÷ 345 
Our goal is to divide 45081256 by 345.

Going ahead to step 1:
If we divide 4 by 345, we get 0 and a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Append the next digit (5) from the dividend to 4 and continue with: 45 / 345

Let's proceed to step 2:
345 can be fit into 45 0 times, resulting in a remainder of 45.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 45, we get 45.
Take the next digit (0) from the dividend and append it to 45, then repeat: 450 / 345

Let's proceed to step 3:
If we divide 450 by 345, we get 1 and a remainder of 105.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 345 from 450, we get 105.
Fetch the next digit (8) from the dividend, attach it to 105 and continue: 1058 / 345

On to step 4:
1058 divided by 345 is 3 with a remainder of 23.
Use 3 as the next digit of our solution. 
Result so far: 13.0
If we take 1035 away from 1058, we end up with 23.
Take the next digit (1) from the dividend and append it to 23, then repeat: 231 / 345

Step 5:
If we divide 231 by 345, we get 0 and a remainder of 231.
Record the quotient 0 as the next digit in the result. 
Result so far: 130.0
Subtract 0 from 231 to get 231.
Bring next digit (2) of the dividend behind the 231 and repeat the process: 2312 / 345

Going ahead to step 6:
The number 345 fits into 2312 6 times, leaving a remainder of 242.
Put 6 as the next digit of the answer. 
Result so far: 1306.0
If we subtract 2070 from 2312, we get 242.
Grab the next digit (5) from the dividend, add it to 242, then carry on: 2425 / 345

Going ahead to step 7:
When dividing 2425 by 345, we get 7 with a remainder of 10.
The number 7 becomes the next digit in our result. 
Result so far: 13067.0
If we take 2415 away from 2425, we end up with 10.
Append the next digit (6) from the dividend to 10 and continue with: 106 / 345

Moving on to step 8:
345 goes into 106 0 times with a remainder of 106.
Use 0 as the next digit of our solution. 
Result so far: 130670.0
Subtracting 0 from 106 leaves us with 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Going ahead to step 9:
If we divide 1060 by 345, we get 3 and a remainder of 25.
The number 3 becomes the next digit in our result. 
Result so far: 130670.3
Subtracting 1035 from 1060 leaves us with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Step 10:
When dividing 250 by 345, we get 0 with a remainder of 250.
Use 0 as the next digit of our solution. 
Result so far: 130670.3
If we subtract 0 from 250, we get 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2500, and continue the process.

Step 11:
2500 divided by 345 is 7 with a remainder of 85.
The next digit of our result is 7. 
Result so far: 130670.307
If we subtract 2415 from 2500, we get 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Going ahead to step 12:
The number 345 fits into 850 2 times, leaving a remainder of 160.
Record the quotient 2 as the next digit in the result. 
Result so far: 130670.3072
The remainder is 160 after subtracting 690 from 850.
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 13:
345 goes into 1600 4 times with a remainder of 220.
The next digit of our result is 4. 
Result so far: 130670.30724
If we take 1380 away from 1600, we end up with 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Moving on to step 14:
2200 divided by 345 is 6 with a remainder of 130.
Write down 6 as next digit of the result. 
Result so far: 130670.307246
If we take 2070 away from 2200, we end up 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.

Advancing to step 15:
345 goes into 1300 3 times with a remainder of 265.
Write down 3 as next digit of the result. 
Result so far: 130670.3072463
Deduct 1035 from 1300 and we're left with 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2650, and continue the process.

Moving on to step 16:
If we divide 2650 by 345, we get 7 and a remainder of 235.
Record the quotient 7 as the next digit in the result. 
Result so far: 130670.30724637
If we take 2415 away from 2650, we end up with 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 quotient of the division is 130670.30724637, and the remainder is 2.35e-07.