340803 divided by 15 
We're looking to find how many times 15 goes into 340803.

Advancing to step 1:
When dividing 3 by 15, we get 0 with a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Fetch the next digit (4) from the dividend, attach it to 3 and continue: 34 / 15

Going ahead to step 2:
34 divided by 15 is 2 with a remainder of 4.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtract 30 from 34 to get 4.
Fetch the next digit (0) from the dividend, attach it to 4 and continue: 40 / 15

Let's proceed to step 3:
15 goes into 40 2 times with a remainder of 10.
Record the quotient 2 as the next digit in the result. 
Result so far: 22.0
Subtracting 30 from 40 leaves us with 10.
Take the next digit (8) from the dividend and append it to 10, then repeat: 108 / 15

Step 4:
When dividing 108 by 15, we get 7 with a remainder of 3.
Put 7 as the next digit of the answer. 
Result so far: 227.0
Deduct 105 from 108 and we're left with 3.
Take the next digit (0) from the dividend and append it to 3, then repeat: 30 / 15

Step 5:
If we divide 30 by 15, we get 2 and a remainder of 0.
Put 2 as the next digit of the answer. 
Result so far: 2272.0
Deduct 30 from 30 and we're left with 0.
Take the next digit (3) from the dividend and append it to 0, then repeat: 3 / 15

Moving on to step 6:
If we divide 3 by 15, we get 0 and a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 22720.0
Deduct 0 from 3 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 7:
The number 15 fits into 30 2 times, leaving a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 22720.2
Subtract 30 from 30 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
15 can be fit into 0 0 times, resulting in a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 22720.2
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 9:
15 goes into 0 0 times with a remainder of 0.
The next digit of our result is 0. 
Result so far: 22720.2
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 22720.2, with a leftover of 0.0.