78902817 ÷ 180 
We're looking to find how many times 180 goes into 78902817.

Advancing to step 1:
180 goes into 7 0 times with a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 180

On to step 2:
The number 180 fits into 78 0 times, leaving a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 78 to get 78.
Take the next digit (9) from the dividend and append it to 78, then repeat: 789 / 180

Step 3:
789 divided by 180 is 4 with a remainder of 69.
Put 4 as the next digit of the answer. 
Result so far: 4.0
If we take 720 away from 789, we end up with 69.
Grab the next digit (0) from the dividend, add it to 69, then carry on: 690 / 180

Step 4:
180 can be fit into 690 3 times, resulting in a remainder of 150.
Write down 3 as next digit of the result. 
Result so far: 43.0
Subtracting 540 from 690 leaves us with 150.
Include the next digit (2) from the dividend after 150, then repeat: 1502 / 180

On to step 5:
When dividing 1502 by 180, we get 8 with a remainder of 62.
Record the quotient 8 as the next digit in the result. 
Result so far: 438.0
Subtracting 1440 from 1502 leaves us with 62.
Fetch the next digit (8) from the dividend, attach it to 62 and continue: 628 / 180

Going ahead to step 6:
628 divided by 180 is 3 with a remainder of 88.
Use 3 as the next digit of our solution. 
Result so far: 4383.0
Subtracting 540 from 628 leaves us with 88.
Grab the next digit (1) from the dividend, add it to 88, then carry on: 881 / 180

Moving on to step 7:
When dividing 881 by 180, we get 4 with a remainder of 161.
Record the quotient 4 as the next digit in the result. 
Result so far: 43834.0
Deduct 720 from 881 and we're left with 161.
Fetch the next digit (7) from the dividend, attach it to 161 and continue: 1617 / 180

Advancing to step 8:
180 goes into 1617 8 times with a remainder of 177.
The next digit of our result is 8. 
Result so far: 438348.0
Deduct 1440 from 1617 and we're left with 177.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1770, and continue the process.

Advancing to step 9:
The number 180 fits into 1770 9 times, leaving a remainder of 150.
The number 9 becomes the next digit in our result. 
Result so far: 438348.9
The remainder is 150 after subtracting 1620 from 1770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1500, and continue the process.

On to step 10:
When dividing 1500 by 180, we get 8 with a remainder of 60.
Record the quotient 8 as the next digit in the result. 
Result so far: 438348.98
Subtract 1440 from 1500 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Going ahead to step 11:
If we divide 600 by 180, we get 3 and a remainder of 60.
The number 3 becomes the next digit in our result. 
Result so far: 438348.983
If we subtract 540 from 600, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Let's proceed to step 12:
If we divide 600 by 180, we get 3 and a remainder of 60.
The number 3 becomes the next digit in our result. 
Result so far: 438348.9833
Subtracting 540 from 600 leaves us with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

The final result is 438348.9833 with a remainder of 0.0006.