Let's divide 987664 by 3
We're looking to find how many times 3 goes into 987664.

Let's proceed to step 1:
When dividing 9 by 3, we get 3 with a remainder of 0.
Write down 3 as next digit of the result. 
Result so far: 3.0
Deduct 9 from 9 and we're left with 0.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 3

Let's proceed to step 2:
If we divide 8 by 3, we get 2 and a remainder of 2.
The number 2 becomes the next digit in our result. 
Result so far: 32.0
If we take 6 away from 8, we end up with 2.
Take the next digit (7) from the dividend and append it to 2, then repeat: 27 / 3

Step 3:
When dividing 27 by 3, we get 9 with a remainder of 0.
Record the quotient 9 as the next digit in the result. 
Result so far: 329.0
If we take 27 away from 27, we end up with 0.
Take the next digit (6) from the dividend and append it to 0, then repeat: 6 / 3

Advancing to step 4:
3 can be fit into 6 2 times, resulting in a remainder of 0.
The number 2 becomes the next digit in our result. 
Result so far: 3292.0
Subtract 6 from 6 to get 0.
Take the next digit (6) from the dividend and append it to 0, then repeat: 6 / 3

Going ahead to step 5:
When dividing 6 by 3, we get 2 with a remainder of 0.
The next digit of our result is 2. 
Result so far: 32922.0
If we take 6 away from 6, we end up with 0.
Append the next digit (4) from the dividend to 0 and continue with: 4 / 3

On to step 6:
The number 3 fits into 4 1 times, leaving a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 329221.0
Subtracting 3 from 4 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

On to step 7:
3 goes into 10 3 times with a remainder of 1.
The next digit of our result is 3. 
Result so far: 329221.3
Subtract 9 from 10 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 8:
10 divided by 3 is 3 with a remainder of 1.
Record the quotient 3 as the next digit in the result. 
Result so far: 329221.33
Deduct 9 from 10 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

After the division, we end up with 329221.33 and a remainder of 0.001.