57041840 ÷ 306 
The aim is to understand the frequency of 306 in 57041840.

Going ahead to step 1:
5 divided by 306 is 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Take the next digit (7) from the dividend and append it to 5, then repeat: 57 / 306

Moving on to step 2:
The number 306 fits into 57 0 times, leaving a remainder of 57.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 57 leaves us with 57.
Fetch the next digit (0) from the dividend, attach it to 57 and continue: 570 / 306

Moving on to step 3:
306 can be fit into 570 1 times, resulting in a remainder of 264.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Deduct 306 from 570 and we're left with 264.
Append the next digit (4) from the dividend to 264 and continue with: 2644 / 306

On to step 4:
When dividing 2644 by 306, we get 8 with a remainder of 196.
Write down 8 as next digit of the result. 
Result so far: 18.0
If we subtract 2448 from 2644, we get 196.
Take the next digit (1) from the dividend and append it to 196, then repeat: 1961 / 306

Step 5:
If we divide 1961 by 306, we get 6 and a remainder of 125.
Write down 6 as next digit of the result. 
Result so far: 186.0
The remainder is 125 after subtracting 1836 from 1961.
Append the next digit (8) from the dividend to 125 and continue with: 1258 / 306

Advancing to step 6:
1258 divided by 306 is 4 with a remainder of 34.
Put 4 as the next digit of the answer. 
Result so far: 1864.0
Subtract 1224 from 1258 to get 34.
Bring next digit (4) of the dividend behind the 34 and repeat the process: 344 / 306

On to step 7:
If we divide 344 by 306, we get 1 and a remainder of 38.
Use 1 as the next digit of our solution. 
Result so far: 18641.0
The remainder is 38 after subtracting 306 from 344.
Bring next digit (0) of the dividend behind the 38 and repeat the process: 380 / 306

Step 8:
If we divide 380 by 306, we get 1 and a remainder of 74.
Record the quotient 1 as the next digit in the result. 
Result so far: 186411.0
The remainder is 74 after subtracting 306 from 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Let's proceed to step 9:
If we divide 740 by 306, we get 2 and a remainder of 128.
The next digit of our result is 2. 
Result so far: 186411.2
Deduct 612 from 740 and we're left with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

Going ahead to step 10:
306 can be fit into 1280 4 times, resulting in a remainder of 56.
Use 4 as the next digit of our solution. 
Result so far: 186411.24
If we take 1224 away from 1280, we end up with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Advancing to step 11:
306 goes into 560 1 times with a remainder of 254.
Use 1 as the next digit of our solution. 
Result so far: 186411.241
If we subtract 306 from 560, we get 254.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2540, and continue the process.

Going ahead to step 12:
If we divide 2540 by 306, we get 8 and a remainder of 92.
Use 8 as the next digit of our solution. 
Result so far: 186411.2418
If we subtract 2448 from 2540, we get 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

On to step 13:
306 can be fit into 920 3 times, resulting in a remainder of 2.
Record the quotient 3 as the next digit in the result. 
Result so far: 186411.24183
Subtracting 918 from 920 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 14:
If we divide 20 by 306, we get 0 and a remainder of 20.
The next digit of our result is 0. 
Result so far: 186411.24183
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 15:
When dividing 200 by 306, we get 0 with a remainder of 200.
Write down 0 as next digit of the result. 
Result so far: 186411.24183
Subtracting 0 from 200 leaves us with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

In conclusion, the division gives 186411.24183 with a balance of 2e-06.