We look at the division of 30729954 by 850 
We want to figure out the number of times 30729954 can be divided by 850.

Let's proceed to step 1:
3 divided by 850 is 0 with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Include the next digit (0) from the dividend after 3, then repeat: 30 / 850

Let's proceed to step 2:
850 goes into 30 0 times with a remainder of 30.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 30, we end up with 30.
Bring next digit (7) of the dividend behind the 30 and repeat the process: 307 / 850

Step 3:
The number 850 fits into 307 0 times, leaving a remainder of 307.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 307 leaves us with 307.
Fetch the next digit (2) from the dividend, attach it to 307 and continue: 3072 / 850

Moving on to step 4:
850 can be fit into 3072 3 times, resulting in a remainder of 522.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Subtracting 2550 from 3072 leaves us with 522.
Append the next digit (9) from the dividend to 522 and continue with: 5229 / 850

On to step 5:
850 goes into 5229 6 times with a remainder of 129.
Put 6 as the next digit of the answer. 
Result so far: 36.0
Subtracting 5100 from 5229 leaves us with 129.
Bring next digit (9) of the dividend behind the 129 and repeat the process: 1299 / 850

On to step 6:
850 goes into 1299 1 times with a remainder of 449.
Put 1 as the next digit of the answer. 
Result so far: 361.0
Deduct 850 from 1299 and we're left with 449.
Take the next digit (5) from the dividend and append it to 449, then repeat: 4495 / 850

Going ahead to step 7:
4495 divided by 850 is 5 with a remainder of 245.
Write down 5 as next digit of the result. 
Result so far: 3615.0
The remainder is 245 after subtracting 4250 from 4495.
Take the next digit (4) from the dividend and append it to 245, then repeat: 2454 / 850

Moving on to step 8:
The number 850 fits into 2454 2 times, leaving a remainder of 754.
Put 2 as the next digit of the answer. 
Result so far: 36152.0
Deduct 1700 from 2454 and we're left with 754.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7540, and continue the process.

Step 9:
7540 divided by 850 is 8 with a remainder of 740.
Put 8 as the next digit of the answer. 
Result so far: 36152.8
If we subtract 6800 from 7540, we get 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7400, and continue the process.

Advancing to step 10:
850 goes into 7400 8 times with a remainder of 600.
Put 8 as the next digit of the answer. 
Result so far: 36152.88
Deduct 6800 from 7400 and we're left with 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6000, and continue the process.

The final outcome is 36152.88, with a leftover of 0.6.