We're dividing 78450590 by 663 
Let's see how many times 663 fits into 78450590.

Let's proceed to step 1:
7 divided by 663 is 0 with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Append the next digit (8) from the dividend to 7 and continue with: 78 / 663

Moving on to step 2:
663 can be fit into 78 0 times, resulting in a remainder of 78.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 78 and we're left with 78.
Include the next digit (4) from the dividend after 78, then repeat: 784 / 663

Let's proceed to step 3:
663 can be fit into 784 1 times, resulting in a remainder of 121.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 663 from 784 to get 121.
Include the next digit (5) from the dividend after 121, then repeat: 1215 / 663

Advancing to step 4:
The number 663 fits into 1215 1 times, leaving a remainder of 552.
Use 1 as the next digit of our solution. 
Result so far: 11.0
Subtracting 663 from 1215 leaves us with 552.
Include the next digit (0) from the dividend after 552, then repeat: 5520 / 663

On to step 5:
663 goes into 5520 8 times with a remainder of 216.
Record the quotient 8 as the next digit in the result. 
Result so far: 118.0
Subtracting 5304 from 5520 leaves us with 216.
Fetch the next digit (5) from the dividend, attach it to 216 and continue: 2165 / 663

Going ahead to step 6:
2165 divided by 663 is 3 with a remainder of 176.
The number 3 becomes the next digit in our result. 
Result so far: 1183.0
The remainder is 176 after subtracting 1989 from 2165.
Include the next digit (9) from the dividend after 176, then repeat: 1769 / 663

Advancing to step 7:
1769 divided by 663 is 2 with a remainder of 443.
Use 2 as the next digit of our solution. 
Result so far: 11832.0
Deduct 1326 from 1769 and we're left with 443.
Take the next digit (0) from the dividend and append it to 443, then repeat: 4430 / 663

Let's proceed to step 8:
The number 663 fits into 4430 6 times, leaving a remainder of 452.
The number 6 becomes the next digit in our result. 
Result so far: 118326.0
Subtract 3978 from 4430 to get 452.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4520, and continue the process.

Advancing to step 9:
If we divide 4520 by 663, we get 6 and a remainder of 542.
The number 6 becomes the next digit in our result. 
Result so far: 118326.6
Subtract 3978 from 4520 to get 542.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5420, and continue the process.

On to step 10:
When dividing 5420 by 663, we get 8 with a remainder of 116.
Use 8 as the next digit of our solution. 
Result so far: 118326.68
Subtract 5304 from 5420 to get 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Let's proceed to step 11:
When dividing 1160 by 663, we get 1 with a remainder of 497.
The next digit of our result is 1. 
Result so far: 118326.681
If we take 663 away from 1160, we end up with 497.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4970, and continue the process.

Let's proceed to step 12:
If we divide 4970 by 663, we get 7 and a remainder of 329.
Use 7 as the next digit of our solution. 
Result so far: 118326.6817
If we take 4641 away from 4970, we end up with 329.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3290, and continue the process.

Going ahead to step 13:
663 goes into 3290 4 times with a remainder of 638.
Put 4 as the next digit of the answer. 
Result so far: 118326.68174
The remainder is 638 after subtracting 2652 from 3290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6380, and continue the process.

Let's proceed to step 14:
663 goes into 6380 9 times with a remainder of 413.
The number 9 becomes the next digit in our result. 
Result so far: 118326.681749
Deduct 5967 from 6380 and we're left with 413.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4130, and continue the process.

On to step 15:
663 goes into 4130 6 times with a remainder of 152.
Write down 6 as next digit of the result. 
Result so far: 118326.6817496
Subtract 3978 from 4130 to get 152.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

Advancing to step 16:
If we divide 1520 by 663, we get 2 and a remainder of 194.
Write down 2 as next digit of the result. 
Result so far: 118326.68174962
Subtract 1326 from 1520 to get 194.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1940, and continue the process.

In conclusion, the division gives 118326.68174962 with a balance of 1.94e-07.