15189321 ÷ 214 
Our goal is to divide 15189321 by 214.

Going ahead to step 1:
1 divided by 214 is 0 with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 214

On to step 2:
214 can be fit into 15 0 times, resulting in a remainder of 15.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 15 and we're left with 15.
Append the next digit (1) from the dividend to 15 and continue with: 151 / 214

Going ahead to step 3:
214 can be fit into 151 0 times, resulting in a remainder of 151.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 151 and we're left with 151.
Take the next digit (8) from the dividend and append it to 151, then repeat: 1518 / 214

On to step 4:
214 can be fit into 1518 7 times, resulting in a remainder of 20.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
Subtract 1498 from 1518 to get 20.
Bring next digit (9) of the dividend behind the 20 and repeat the process: 209 / 214

Let's proceed to step 5:
209 divided by 214 is 0 with a remainder of 209.
Write down 0 as next digit of the result. 
Result so far: 70.0
Subtracting 0 from 209 leaves us with 209.
Include the next digit (3) from the dividend after 209, then repeat: 2093 / 214

Advancing to step 6:
If we divide 2093 by 214, we get 9 and a remainder of 167.
The next digit of our result is 9. 
Result so far: 709.0
Subtract 1926 from 2093 to get 167.
Append the next digit (2) from the dividend to 167 and continue with: 1672 / 214

Moving on to step 7:
When dividing 1672 by 214, we get 7 with a remainder of 174.
Put 7 as the next digit of the answer. 
Result so far: 7097.0
Subtract 1498 from 1672 to get 174.
Take the next digit (1) from the dividend and append it to 174, then repeat: 1741 / 214

Let's proceed to step 8:
1741 divided by 214 is 8 with a remainder of 29.
The next digit of our result is 8. 
Result so far: 70978.0
If we take 1712 away from 1741, we end up with 29.
Since there are no more digits in the dividend, we add a zero to the remainder making it 290, and continue the process.

Moving on to step 9:
214 can be fit into 290 1 times, resulting in a remainder of 76.
Use 1 as the next digit of our solution. 
Result so far: 70978.1
If we take 214 away from 290, we end up with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

On to step 10:
760 divided by 214 is 3 with a remainder of 118.
Put 3 as the next digit of the answer. 
Result so far: 70978.13
Deduct 642 from 760 and we're left with 118.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1180, and continue the process.

Advancing to step 11:
If we divide 1180 by 214, we get 5 and a remainder of 110.
Put 5 as the next digit of the answer. 
Result so far: 70978.135
Subtract 1070 from 1180 to get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Step 12:
If we divide 1100 by 214, we get 5 and a remainder of 30.
The next digit of our result is 5. 
Result so far: 70978.1355
If we subtract 1070 from 1100, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

The quotient of the division is 70978.1355, and the remainder is 0.0003.