67319964 ÷ 866 
We're looking to find how many times 866 goes into 67319964.

On to step 1:
6 divided by 866 is 0 with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Take the next digit (7) from the dividend and append it to 6, then repeat: 67 / 866

Moving on to step 2:
67 divided by 866 is 0 with a remainder of 67.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 67, we get 67.
Take the next digit (3) from the dividend and append it to 67, then repeat: 673 / 866

Advancing to step 3:
If we divide 673 by 866, we get 0 and a remainder of 673.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 673 and we're left with 673.
Bring next digit (1) of the dividend behind the 673 and repeat the process: 6731 / 866

Moving on to step 4:
If we divide 6731 by 866, we get 7 and a remainder of 669.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
Subtract 6062 from 6731 to get 669.
Include the next digit (9) from the dividend after 669, then repeat: 6699 / 866

Step 5:
When dividing 6699 by 866, we get 7 with a remainder of 637.
Record the quotient 7 as the next digit in the result. 
Result so far: 77.0
Deduct 6062 from 6699 and we're left with 637.
Bring next digit (9) of the dividend behind the 637 and repeat the process: 6379 / 866

Advancing to step 6:
866 goes into 6379 7 times with a remainder of 317.
Put 7 as the next digit of the answer. 
Result so far: 777.0
Subtract 6062 from 6379 to get 317.
Append the next digit (6) from the dividend to 317 and continue with: 3176 / 866

Going ahead to step 7:
If we divide 3176 by 866, we get 3 and a remainder of 578.
The number 3 becomes the next digit in our result. 
Result so far: 7773.0
Subtracting 2598 from 3176 leaves us with 578.
Take the next digit (4) from the dividend and append it to 578, then repeat: 5784 / 866

Let's proceed to step 8:
5784 divided by 866 is 6 with a remainder of 588.
Put 6 as the next digit of the answer. 
Result so far: 77736.0
Subtract 5196 from 5784 to get 588.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5880, and continue the process.

Advancing to step 9:
866 goes into 5880 6 times with a remainder of 684.
Put 6 as the next digit of the answer. 
Result so far: 77736.6
Subtract 5196 from 5880 to get 684.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6840, and continue the process.

Advancing to step 10:
If we divide 6840 by 866, we get 7 and a remainder of 778.
Record the quotient 7 as the next digit in the result. 
Result so far: 77736.67
If we take 6062 away from 6840, we end up with 778.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7780, and continue the process.

Going ahead to step 11:
866 goes into 7780 8 times with a remainder of 852.
The number 8 becomes the next digit in our result. 
Result so far: 77736.678
If we subtract 6928 from 7780, we get 852.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8520, and continue the process.

Going ahead to step 12:
8520 divided by 866 is 9 with a remainder of 726.
The number 9 becomes the next digit in our result. 
Result so far: 77736.6789
If we subtract 7794 from 8520, we get 726.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7260, and continue the process.

Let's proceed to step 13:
The number 866 fits into 7260 8 times, leaving a remainder of 332.
The number 8 becomes the next digit in our result. 
Result so far: 77736.67898
The remainder is 332 after subtracting 6928 from 7260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3320, and continue the process.

Going ahead to step 14:
3320 divided by 866 is 3 with a remainder of 722.
The number 3 becomes the next digit in our result. 
Result so far: 77736.678983
Deduct 2598 from 3320 and we're left with 722.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7220, and continue the process.

Step 15:
The number 866 fits into 7220 8 times, leaving a remainder of 292.
Put 8 as the next digit of the answer. 
Result so far: 77736.6789838
Subtract 6928 from 7220 to get 292.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2920, and continue the process.

Step 16:
When dividing 2920 by 866, we get 3 with a remainder of 322.
Put 3 as the next digit of the answer. 
Result so far: 77736.67898383
Subtract 2598 from 2920 to get 322.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3220, and continue the process.

Our division results in 77736.67898383 with a remaining 3.22e-07.