We look at the division of 65599850 by 810 
We're looking to find how many times 810 goes into 65599850.

On to step 1:
810 goes into 6 0 times with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Append the next digit (5) from the dividend to 6 and continue with: 65 / 810

Going ahead to step 2:
The number 810 fits into 65 0 times, leaving a remainder of 65.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 65 to get 65.
Grab the next digit (5) from the dividend, add it to 65, then carry on: 655 / 810

Going ahead to step 3:
The number 810 fits into 655 0 times, leaving a remainder of 655.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 655 and we're left with 655.
Append the next digit (9) from the dividend to 655 and continue with: 6559 / 810

Advancing to step 4:
810 goes into 6559 8 times with a remainder of 79.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
Subtract 6480 from 6559 to get 79.
Append the next digit (9) from the dividend to 79 and continue with: 799 / 810

Going ahead to step 5:
810 goes into 799 0 times with a remainder of 799.
Use 0 as the next digit of our solution. 
Result so far: 80.0
If we take 0 away from 799, we end up with 799.
Grab the next digit (8) from the dividend, add it to 799, then carry on: 7998 / 810

Step 6:
When dividing 7998 by 810, we get 9 with a remainder of 708.
Put 9 as the next digit of the answer. 
Result so far: 809.0
Deduct 7290 from 7998 and we're left with 708.
Include the next digit (5) from the dividend after 708, then repeat: 7085 / 810

Moving on to step 7:
7085 divided by 810 is 8 with a remainder of 605.
The next digit of our result is 8. 
Result so far: 8098.0
If we subtract 6480 from 7085, we get 605.
Append the next digit (0) from the dividend to 605 and continue with: 6050 / 810

Let's proceed to step 8:
810 goes into 6050 7 times with a remainder of 380.
Put 7 as the next digit of the answer. 
Result so far: 80987.0
If we take 5670 away from 6050, we end up with 380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3800, and continue the process.

Advancing to step 9:
810 can be fit into 3800 4 times, resulting in a remainder of 560.
Write down 4 as next digit of the result. 
Result so far: 80987.4
If we subtract 3240 from 3800, we get 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

Moving on to step 10:
When dividing 5600 by 810, we get 6 with a remainder of 740.
Use 6 as the next digit of our solution. 
Result so far: 80987.46
Subtract 4860 from 5600 to get 740.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7400, and continue the process.

Going ahead to step 11:
810 goes into 7400 9 times with a remainder of 110.
Use 9 as the next digit of our solution. 
Result so far: 80987.469
Subtract 7290 from 7400 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.

Advancing to step 12:
810 goes into 1100 1 times with a remainder of 290.
The next digit of our result is 1. 
Result so far: 80987.4691
If we take 810 away from 1100, we end up with 290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2900, and continue the process.

Advancing to step 13:
810 goes into 2900 3 times with a remainder of 470.
The number 3 becomes the next digit in our result. 
Result so far: 80987.46913
If we subtract 2430 from 2900, we get 470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4700, and continue the process.

Advancing to step 14:
When dividing 4700 by 810, we get 5 with a remainder of 650.
The next digit of our result is 5. 
Result so far: 80987.469135
Subtract 4050 from 4700 to get 650.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6500, and continue the process.

On to step 15:
If we divide 6500 by 810, we get 8 and a remainder of 20.
Record the quotient 8 as the next digit in the result. 
Result so far: 80987.4691358
Deduct 6480 from 6500 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 16:
If we divide 200 by 810, we get 0 and a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 80987.4691358
Deduct 0 from 200 and we're left with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

In conclusion, the division gives 80987.4691358 with a balance of 2e-07.