66186 ÷ 8 = 8273 R2
No problem, we've got 66186 and 8 for the division.

Step 1:
8 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 6 to get 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 8

Step 2:
8 goes into 66 8 times with a remainder of 2.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 64 from 66 to get 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 8

Step 3:
8 goes into 21 2 times with a remainder of 5.
Write down 2 as next digit of of the result. 
Result so far: 82
Subtract 16 from 21 to get 5.
Bring next digit (8) of the dividend behind the 5 and repeat the process: 58 / 8

Step 4:
8 goes into 58 7 times with a remainder of 2.
Write down 7 as next digit of of the result. 
Result so far: 827
Subtract 56 from 58 to get 2.
Bring next digit (6) of the dividend behind the 2 and repeat the process: 26 / 8

Step 5:
8 goes into 26 3 times with a remainder of 2.
Write down 3 as next digit of of the result. 
Result so far: 8273
Subtract 24 from 26 to get 2.

The final result is 8273 with a remainder of 2.