We're dividing 213136 by 86 
We want to divide 213136 by 86.

Step 1:
2 divided by 86 is 0 with a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 86

Moving on to step 2:
When dividing 21 by 86, we get 0 with a remainder of 21.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 21, we end up with 21.
Grab the next digit (3) from the dividend, add it to 21, then carry on: 213 / 86

Step 3:
If we divide 213 by 86, we get 2 and a remainder of 41.
Write down 2 as next digit of the result. 
Result so far: 2.0
The remainder is 41 after subtracting 172 from 213.
Append the next digit (1) from the dividend to 41 and continue with: 411 / 86

Going ahead to step 4:
86 can be fit into 411 4 times, resulting in a remainder of 67.
The number 4 becomes the next digit in our result. 
Result so far: 24.0
If we subtract 344 from 411, we get 67.
Include the next digit (3) from the dividend after 67, then repeat: 673 / 86

On to step 5:
673 divided by 86 is 7 with a remainder of 71.
The number 7 becomes the next digit in our result. 
Result so far: 247.0
Subtracting 602 from 673 leaves us with 71.
Include the next digit (6) from the dividend after 71, then repeat: 716 / 86

Let's proceed to step 6:
When dividing 716 by 86, we get 8 with a remainder of 28.
Put 8 as the next digit of the answer. 
Result so far: 2478.0
If we subtract 688 from 716, we get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Going ahead to step 7:
86 can be fit into 280 3 times, resulting in a remainder of 22.
Put 3 as the next digit of the answer. 
Result so far: 2478.3
If we take 258 away from 280, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Step 8:
When dividing 220 by 86, we get 2 with a remainder of 48.
Put 2 as the next digit of the answer. 
Result so far: 2478.32
The remainder is 48 after subtracting 172 from 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Going ahead to step 9:
When dividing 480 by 86, we get 5 with a remainder of 50.
Write down 5 as next digit of the result. 
Result so far: 2478.325
If we take 430 away from 480, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 10:
The number 86 fits into 500 5 times, leaving a remainder of 70.
Write down 5 as next digit of the result. 
Result so far: 2478.3255
Subtracting 430 from 500 leaves us with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

The quotient of the division is 2478.3255, and the remainder is 0.0007.