80504163 ÷ 394 
We want to divide 80504163 by 394.

Going ahead to step 1:
The number 394 fits into 8 0 times, leaving a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Take the next digit (0) from the dividend and append it to 8, then repeat: 80 / 394

On to step 2:
80 divided by 394 is 0 with a remainder of 80.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 80 and we're left with 80.
Bring next digit (5) of the dividend behind the 80 and repeat the process: 805 / 394

Advancing to step 3:
805 divided by 394 is 2 with a remainder of 17.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Deduct 788 from 805 and we're left with 17.
Append the next digit (0) from the dividend to 17 and continue with: 170 / 394

Let's proceed to step 4:
394 can be fit into 170 0 times, resulting in a remainder of 170.
Use 0 as the next digit of our solution. 
Result so far: 20.0
The remainder is 170 after subtracting 0 from 170.
Bring next digit (4) of the dividend behind the 170 and repeat the process: 1704 / 394

Step 5:
When dividing 1704 by 394, we get 4 with a remainder of 128.
Use 4 as the next digit of our solution. 
Result so far: 204.0
Subtract 1576 from 1704 to get 128.
Include the next digit (1) from the dividend after 128, then repeat: 1281 / 394

Going ahead to step 6:
When dividing 1281 by 394, we get 3 with a remainder of 99.
Record the quotient 3 as the next digit in the result. 
Result so far: 2043.0
Subtracting 1182 from 1281 leaves us with 99.
Grab the next digit (6) from the dividend, add it to 99, then carry on: 996 / 394

Let's proceed to step 7:
996 divided by 394 is 2 with a remainder of 208.
Record the quotient 2 as the next digit in the result. 
Result so far: 20432.0
Subtracting 788 from 996 leaves us with 208.
Grab the next digit (3) from the dividend, add it to 208, then carry on: 2083 / 394

Step 8:
If we divide 2083 by 394, we get 5 and a remainder of 113.
The number 5 becomes the next digit in our result. 
Result so far: 204325.0
Subtracting 1970 from 2083 leaves us with 113.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1130, and continue the process.

Moving on to step 9:
The number 394 fits into 1130 2 times, leaving a remainder of 342.
The next digit of our result is 2. 
Result so far: 204325.2
If we take 788 away from 1130, we end up with 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

Moving on to step 10:
3420 divided by 394 is 8 with a remainder of 268.
The number 8 becomes the next digit in our result. 
Result so far: 204325.28
The remainder is 268 after subtracting 3152 from 3420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2680, and continue the process.

Moving on to step 11:
2680 divided by 394 is 6 with a remainder of 316.
Write down 6 as next digit of the result. 
Result so far: 204325.286
If we subtract 2364 from 2680, we get 316.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3160, and continue the process.

Going ahead to step 12:
394 goes into 3160 8 times with a remainder of 8.
Use 8 as the next digit of our solution. 
Result so far: 204325.2868
Deduct 3152 from 3160 and we're left with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Going ahead to step 13:
If we divide 80 by 394, we get 0 and a remainder of 80.
The number 0 becomes the next digit in our result. 
Result so far: 204325.2868
If we subtract 0 from 80, we get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Going ahead to step 14:
When dividing 800 by 394, we get 2 with a remainder of 12.
Write down 2 as next digit of the result. 
Result so far: 204325.286802
Deduct 788 from 800 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 15:
120 divided by 394 is 0 with a remainder of 120.
Record the quotient 0 as the next digit in the result. 
Result so far: 204325.286802
The remainder is 120 after subtracting 0 from 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 16:
If we divide 1200 by 394, we get 3 and a remainder of 18.
Use 3 as the next digit of our solution. 
Result so far: 204325.28680203
Subtract 1182 from 1200 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

After the division, we end up with 204325.28680203 and a remainder of 1.8e-08.