19721529 ÷ 354 
We want to figure out the number of times 19721529 can be divided by 354.

Advancing to step 1:
354 goes into 1 0 times with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 354

Moving on to step 2:
354 goes into 19 0 times with a remainder of 19.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 19 after subtracting 0 from 19.
Fetch the next digit (7) from the dividend, attach it to 19 and continue: 197 / 354

Advancing to step 3:
197 divided by 354 is 0 with a remainder of 197.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 197, we get 197.
Append the next digit (2) from the dividend to 197 and continue with: 1972 / 354

Let's proceed to step 4:
354 goes into 1972 5 times with a remainder of 202.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
Deduct 1770 from 1972 and we're left with 202.
Fetch the next digit (1) from the dividend, attach it to 202 and continue: 2021 / 354

Going ahead to step 5:
When dividing 2021 by 354, we get 5 with a remainder of 251.
Record the quotient 5 as the next digit in the result. 
Result so far: 55.0
Subtracting 1770 from 2021 leaves us with 251.
Take the next digit (5) from the dividend and append it to 251, then repeat: 2515 / 354

Going ahead to step 6:
If we divide 2515 by 354, we get 7 and a remainder of 37.
The next digit of our result is 7. 
Result so far: 557.0
If we take 2478 away from 2515, we end up with 37.
Include the next digit (2) from the dividend after 37, then repeat: 372 / 354

Going ahead to step 7:
354 can be fit into 372 1 times, resulting in a remainder of 18.
Use 1 as the next digit of our solution. 
Result so far: 5571.0
If we take 354 away from 372, we end up with 18.
Bring next digit (9) of the dividend behind the 18 and repeat the process: 189 / 354

Let's proceed to step 8:
354 goes into 189 0 times with a remainder of 189.
The next digit of our result is 0. 
Result so far: 55710.0
Deduct 0 from 189 and we're left with 189.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1890, and continue the process.

Going ahead to step 9:
354 can be fit into 1890 5 times, resulting in a remainder of 120.
Record the quotient 5 as the next digit in the result. 
Result so far: 55710.5
If we take 1770 away from 1890, we end up with 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1200, and continue the process.

Let's proceed to step 10:
354 goes into 1200 3 times with a remainder of 138.
Record the quotient 3 as the next digit in the result. 
Result so far: 55710.53
The remainder is 138 after subtracting 1062 from 1200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

Let's proceed to step 11:
When dividing 1380 by 354, we get 3 with a remainder of 318.
The next digit of our result is 3. 
Result so far: 55710.533
The remainder is 318 after subtracting 1062 from 1380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3180, and continue the process.

The final result is 55710.533 with a remainder of 0.0318.