78341846 ÷ 603 
We're looking to find how many times 603 goes into 78341846.

Going ahead to step 1:
603 can be fit into 7 0 times, resulting in a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 603

Going ahead to step 2:
When dividing 78 by 603, we get 0 with a remainder of 78.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 78, we end up with 78.
Take the next digit (3) from the dividend and append it to 78, then repeat: 783 / 603

Moving on to step 3:
783 divided by 603 is 1 with a remainder of 180.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 603 from 783 to get 180.
Bring next digit (4) of the dividend behind the 180 and repeat the process: 1804 / 603

Going ahead to step 4:
If we divide 1804 by 603, we get 2 and a remainder of 598.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
Subtracting 1206 from 1804 leaves us with 598.
Include the next digit (1) from the dividend after 598, then repeat: 5981 / 603

Moving on to step 5:
When dividing 5981 by 603, we get 9 with a remainder of 554.
Use 9 as the next digit of our solution. 
Result so far: 129.0
Subtract 5427 from 5981 to get 554.
Include the next digit (8) from the dividend after 554, then repeat: 5548 / 603

Going ahead to step 6:
603 goes into 5548 9 times with a remainder of 121.
Use 9 as the next digit of our solution. 
Result so far: 1299.0
Subtracting 5427 from 5548 leaves us with 121.
Include the next digit (4) from the dividend after 121, then repeat: 1214 / 603

Let's proceed to step 7:
When dividing 1214 by 603, we get 2 with a remainder of 8.
Put 2 as the next digit of the answer. 
Result so far: 12992.0
If we take 1206 away from 1214, we end up with 8.
Bring next digit (6) of the dividend behind the 8 and repeat the process: 86 / 603

Going ahead to step 8:
The number 603 fits into 86 0 times, leaving a remainder of 86.
Use 0 as the next digit of our solution. 
Result so far: 129920.0
If we take 0 away from 86, we end up with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Let's proceed to step 9:
When dividing 860 by 603, we get 1 with a remainder of 257.
Write down 1 as next digit of the result. 
Result so far: 129920.1
Subtract 603 from 860 to get 257.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2570, and continue the process.

Moving on to step 10:
The number 603 fits into 2570 4 times, leaving a remainder of 158.
Put 4 as the next digit of the answer. 
Result so far: 129920.14
Subtracting 2412 from 2570 leaves us with 158.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

On to step 11:
1580 divided by 603 is 2 with a remainder of 374.
The next digit of our result is 2. 
Result so far: 129920.142
Deduct 1206 from 1580 and we're left with 374.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3740, and continue the process.

Moving on to step 12:
3740 divided by 603 is 6 with a remainder of 122.
The number 6 becomes the next digit in our result. 
Result so far: 129920.1426
Subtract 3618 from 3740 to get 122.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1220, and continue the process.

On to step 13:
The number 603 fits into 1220 2 times, leaving a remainder of 14.
The next digit of our result is 2. 
Result so far: 129920.14262
If we take 1206 away from 1220, we end up with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Moving on to step 14:
The number 603 fits into 140 0 times, leaving a remainder of 140.
Use 0 as the next digit of our solution. 
Result so far: 129920.14262
Subtracting 0 from 140 leaves us with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Advancing to step 15:
603 goes into 1400 2 times with a remainder of 194.
Write down 2 as next digit of the result. 
Result so far: 129920.1426202
The remainder is 194 after subtracting 1206 from 1400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1940, and continue the process.

Going ahead to step 16:
When dividing 1940 by 603, we get 3 with a remainder of 131.
Record the quotient 3 as the next digit in the result. 
Result so far: 129920.14262023
Subtracting 1809 from 1940 leaves us with 131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1310, and continue the process.

The final outcome is 129920.14262023, with a leftover of 1.31e-07.