Let's divide 363408 by 87
We want to figure out the number of times 363408 can be divided by 87.

Advancing to step 1:
87 goes into 3 0 times with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Fetch the next digit (6) from the dividend, attach it to 3 and continue: 36 / 87

Step 2:
87 goes into 36 0 times with a remainder of 36.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 36 leaves us with 36.
Fetch the next digit (3) from the dividend, attach it to 36 and continue: 363 / 87

Advancing to step 3:
The number 87 fits into 363 4 times, leaving a remainder of 15.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
Deduct 348 from 363 and we're left with 15.
Bring next digit (4) of the dividend behind the 15 and repeat the process: 154 / 87

On to step 4:
The number 87 fits into 154 1 times, leaving a remainder of 67.
Record the quotient 1 as the next digit in the result. 
Result so far: 41.0
Subtract 87 from 154 to get 67.
Include the next digit (0) from the dividend after 67, then repeat: 670 / 87

Step 5:
87 can be fit into 670 7 times, resulting in a remainder of 61.
Write down 7 as next digit of the result. 
Result so far: 417.0
Subtract 609 from 670 to get 61.
Grab the next digit (8) from the dividend, add it to 61, then carry on: 618 / 87

Advancing to step 6:
618 divided by 87 is 7 with a remainder of 9.
Put 7 as the next digit of the answer. 
Result so far: 4177.0
The remainder is 9 after subtracting 609 from 618.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Moving on to step 7:
90 divided by 87 is 1 with a remainder of 3.
Use 1 as the next digit of our solution. 
Result so far: 4177.1
If we subtract 87 from 90, we get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 8:
The number 87 fits into 30 0 times, leaving a remainder of 30.
Write down 0 as next digit of the result. 
Result so far: 4177.1
If we subtract 0 from 30, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Let's proceed to step 9:
When dividing 300 by 87, we get 3 with a remainder of 39.
Use 3 as the next digit of our solution. 
Result so far: 4177.103
Subtract 261 from 300 to get 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 390, and continue the process.

Let's proceed to step 10:
87 can be fit into 390 4 times, resulting in a remainder of 42.
Write down 4 as next digit of the result. 
Result so far: 4177.1034
If we take 348 away from 390, we end up with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Moving on to step 11:
420 divided by 87 is 4 with a remainder of 72.
The next digit of our result is 4. 
Result so far: 4177.10344
Subtracting 348 from 420 leaves us with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

After the division, we end up with 4177.10344 and a remainder of 7.2e-05.