78306798 divided by 166 
We're looking to find how many times 166 goes into 78306798.

Advancing to step 1:
7 divided by 166 is 0 with a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Take the next digit (8) from the dividend and append it to 7, then repeat: 78 / 166

Advancing to step 2:
78 divided by 166 is 0 with 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.
Append the next digit (3) from the dividend to 78 and continue with: 783 / 166

Step 3:
166 can be fit into 783 4 times, resulting in a remainder of 119.
Write down 4 as next digit of the result. 
Result so far: 4.0
If we subtract 664 from 783, we get 119.
Append the next digit (0) from the dividend to 119 and continue with: 1190 / 166

Moving on to step 4:
The number 166 fits into 1190 7 times, leaving a remainder of 28.
Write down 7 as next digit of the result. 
Result so far: 47.0
Deduct 1162 from 1190 and we're left with 28.
Take the next digit (6) from the dividend and append it to 28, then repeat: 286 / 166

Advancing to step 5:
286 divided by 166 is 1 with a remainder of 120.
The number 1 becomes the next digit in our result. 
Result so far: 471.0
The remainder is 120 after subtracting 166 from 286.
Fetch the next digit (7) from the dividend, attach it to 120 and continue: 1207 / 166

Moving on to step 6:
If we divide 1207 by 166, we get 7 and a remainder of 45.
The next digit of our result is 7. 
Result so far: 4717.0
Deduct 1162 from 1207 and we're left with 45.
Append the next digit (9) from the dividend to 45 and continue with: 459 / 166

Let's proceed to step 7:
If we divide 459 by 166, we get 2 and a remainder of 127.
Put 2 as the next digit of the answer. 
Result so far: 47172.0
Subtracting 332 from 459 leaves us with 127.
Append the next digit (8) from the dividend to 127 and continue with: 1278 / 166

Step 8:
1278 divided by 166 is 7 with a remainder of 116.
Record the quotient 7 as the next digit in the result. 
Result so far: 471727.0
Deduct 1162 from 1278 and we're left with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Going ahead to step 9:
1160 divided by 166 is 6 with a remainder of 164.
The number 6 becomes the next digit in our result. 
Result so far: 471727.6
Subtracting 996 from 1160 leaves us with 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

Going ahead to step 10:
166 goes into 1640 9 times with a remainder of 146.
Record the quotient 9 as the next digit in the result. 
Result so far: 471727.69
Subtracting 1494 from 1640 leaves us with 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Step 11:
166 goes into 1460 8 times with a remainder of 132.
Put 8 as the next digit of the answer. 
Result so far: 471727.698
If we subtract 1328 from 1460, we get 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Going ahead to step 12:
1320 divided by 166 is 7 with a remainder of 158.
Write down 7 as next digit of the result. 
Result so far: 471727.6987
If we subtract 1162 from 1320, we get 158.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

Going ahead to step 13:
166 goes into 1580 9 times with a remainder of 86.
The next digit of our result is 9. 
Result so far: 471727.69879
Subtracting 1494 from 1580 leaves us 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.

Advancing to step 14:
860 divided by 166 is 5 with a remainder of 30.
Record the quotient 5 as the next digit in the result. 
Result so far: 471727.698795
If we subtract 830 from 860, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 15:
The number 166 fits into 300 1 times, leaving a remainder of 134.
The next digit of our result is 1. 
Result so far: 471727.6987951
Subtracting 166 from 300 leaves us with 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

Advancing to step 16:
166 goes into 1340 8 times with a remainder of 12.
The number 8 becomes the next digit in our result. 
Result so far: 471727.69879518
If we subtract 1328 from 1340, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

The final outcome is 471727.69879518, with a leftover of 1.2e-08.