79660 ÷ 8 = 9957 R4
Let's divide 79660 by 8.

Step 1:
8 goes into 7 0 times with a remainder of 7.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 7 to get 7.
Bring next digit (9) of the dividend behind the 7 and repeat the process: 79 / 8

Step 2:
8 goes into 79 9 times with a remainder of 7.
Write down 9 as next digit of of the result. 
Result so far: 9
Subtract 72 from 79 to get 7.
Bring next digit (6) of the dividend behind the 7 and repeat the process: 76 / 8

Step 3:
8 goes into 76 9 times with a remainder of 4.
Write down 9 as next digit of of the result. 
Result so far: 99
Subtract 72 from 76 to get 4.
Bring next digit (6) of the dividend behind the 4 and repeat the process: 46 / 8

Step 4:
8 goes into 46 5 times with a remainder of 6.
Write down 5 as next digit of of the result. 
Result so far: 995
Subtract 40 from 46 to get 6.
Bring next digit (0) of the dividend behind the 6 and repeat the process: 60 / 8

Step 5:
8 goes into 60 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 9957
Subtract 56 from 60 to get 4.

The final result is 9957 with a remainder of 4.