We look at the division of 12561023 by 87 
We're looking to find how many times 87 goes into 12561023.

Step 1:
1 divided by 87 is 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Append the next digit (2) from the dividend to 1 and continue with: 12 / 87

Let's proceed to step 2:
87 goes into 12 0 times with a remainder of 12.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 12, we get 12.
Append the next digit (5) from the dividend to 12 and continue with: 125 / 87

Step 3:
When dividing 125 by 87, we get 1 with a remainder of 38.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we subtract 87 from 125, we get 38.
Append the next digit (6) from the dividend to 38 and continue with: 386 / 87

On to step 4:
The number 87 fits into 386 4 times, leaving a remainder of 38.
Put 4 as the next digit of the answer. 
Result so far: 14.0
If we take 348 away from 386, we end up with 38.
Append the next digit (1) from the dividend to 38 and continue with: 381 / 87

Step 5:
87 can be fit into 381 4 times, resulting in a remainder of 33.
Write down 4 as next digit of the result. 
Result so far: 144.0
Subtracting 348 from 381 leaves us with 33.
Take the next digit (0) from the dividend and append it to 33, then repeat: 330 / 87

Moving on to step 6:
330 divided by 87 is 3 with a remainder of 69.
Record the quotient 3 as the next digit in the result. 
Result so far: 1443.0
Subtract 261 from 330 to get 69.
Grab the next digit (2) from the dividend, add it to 69, then carry on: 692 / 87

Going ahead to step 7:
87 goes into 692 7 times with a remainder of 83.
Use 7 as the next digit of our solution. 
Result so far: 14437.0
If we take 609 away from 692, we end up with 83.
Append the next digit (3) from the dividend to 83 and continue with: 833 / 87

Step 8:
87 can be fit into 833 9 times, resulting in a remainder of 50.
The number 9 becomes the next digit in our result. 
Result so far: 144379.0
The remainder is 50 after subtracting 783 from 833.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 9:
87 can be fit into 500 5 times, resulting in a remainder of 65.
Put 5 as the next digit of the answer. 
Result so far: 144379.5
Subtracting 435 from 500 leaves us with 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Step 10:
650 divided by 87 is 7 with a remainder of 41.
The next digit of our result is 7. 
Result so far: 144379.57
If we subtract 609 from 650, we get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Moving on to step 11:
If we divide 410 by 87, we get 4 and a remainder of 62.
Write down 4 as next digit of the result. 
Result so far: 144379.574
The remainder is 62 after subtracting 348 from 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Going ahead to step 12:
87 can be fit into 620 7 times, resulting in a remainder of 11.
The next digit of our result is 7. 
Result so far: 144379.5747
Subtract 609 from 620 to get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Let's proceed to step 13:
The number 87 fits into 110 1 times, leaving a remainder of 23.
Write down 1 as next digit of the result. 
Result so far: 144379.57471
If we take 87 away from 110, we end up with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Moving on to step 14:
230 divided by 87 is 2 with a remainder of 56.
The next digit of our result is 2. 
Result so far: 144379.574712
If we subtract 174 from 230, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

On to step 15:
If we divide 560 by 87, we get 6 and a remainder of 38.
Record the quotient 6 as the next digit in the result. 
Result so far: 144379.5747126
Subtract 522 from 560 to get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Advancing to step 16:
The number 87 fits into 380 4 times, leaving a remainder of 32.
Use 4 as the next digit of our solution. 
Result so far: 144379.57471264
If we subtract 348 from 380, we get 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

The quotient of the division is 144379.57471264, and the remainder is 3.2e-08.