We divide 3582450 by 821
The aim is to understand the frequency of 821 in 3582450.

Going ahead to step 1:
When dividing 3 by 821, we get 0 with a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Bring next digit (5) of the dividend behind the 3 and repeat the process: 35 / 821

Let's proceed to step 2:
The number 821 fits into 35 0 times, leaving a remainder of 35.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 35 after subtracting 0 from 35.
Include the next digit (8) from the dividend after 35, then repeat: 358 / 821

Step 3:
When dividing 358 by 821, we get 0 with a remainder of 358.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 358, we end up with 358.
Include the next digit (2) from the dividend after 358, then repeat: 3582 / 821

Going ahead to step 4:
If we divide 3582 by 821, we get 4 and a remainder of 298.
The next digit of our result is 4. 
Result so far: 4.0
Subtracting 3284 from 3582 leaves us with 298.
Fetch the next digit (4) from the dividend, attach it to 298 and continue: 2984 / 821

Moving on to step 5:
The number 821 fits into 2984 3 times, leaving a remainder of 521.
The next digit of our result is 3. 
Result so far: 43.0
Deduct 2463 from 2984 and we're left with 521.
Fetch the next digit (5) from the dividend, attach it to 521 and continue: 5215 / 821

Step 6:
The number 821 fits into 5215 6 times, leaving a remainder of 289.
The next digit of our result is 6. 
Result so far: 436.0
Subtract 4926 from 5215 to get 289.
Grab the next digit (0) from the dividend, add it to 289, then carry on: 2890 / 821

Moving on to step 7:
If we divide 2890 by 821, we get 3 and a remainder of 427.
The number 3 becomes the next digit in our result. 
Result so far: 4363.0
If we subtract 2463 from 2890, we get 427.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4270, and continue the process.

Moving on to step 8:
If we divide 4270 by 821, we get 5 and a remainder of 165.
Record the quotient 5 as the next digit in the result. 
Result so far: 4363.5
Subtract 4105 from 4270 to get 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Let's proceed to step 9:
821 can be fit into 1650 2 times, resulting in a remainder of 8.
The next digit of our result is 2. 
Result so far: 4363.52
The remainder is 8 after subtracting 1642 from 1650.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 10:
When dividing 80 by 821, we get 0 with a remainder of 80.
The number 0 becomes the next digit in our result. 
Result so far: 4363.52
If we subtract 0 from 80, we get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Step 11:
When dividing 800 by 821, we get 0 with a remainder of 800.
Record the quotient 0 as the next digit in the result. 
Result so far: 4363.52
If we take 0 away from 800, we end up with 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8000, and continue the process.

In conclusion, the division gives 4363.52 with a balance of 0.008.