87712 ÷ 9 = 9745 R7
Alright, let's work through the division of 87712 by 9 step by step.

Step 1:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 8 to get 8.
Bring next digit (7) of the dividend behind the 8 and repeat the process: 87 / 9

Step 2:
9 goes into 87 9 times with a remainder of 6.
Write down 9 as next digit of of the result. 
Result so far: 9
Subtract 81 from 87 to get 6.
Bring next digit (7) of the dividend behind the 6 and repeat the process: 67 / 9

Step 3:
9 goes into 67 7 times with a remainder of 4.
Write down 7 as next digit of of the result. 
Result so far: 97
Subtract 63 from 67 to get 4.
Bring next digit (1) of the dividend behind the 4 and repeat the process: 41 / 9

Step 4:
9 goes into 41 4 times with a remainder of 5.
Write down 4 as next digit of of the result. 
Result so far: 974
Subtract 36 from 41 to get 5.
Bring next digit (2) of the dividend behind the 5 and repeat the process: 52 / 9

Step 5:
9 goes into 52 5 times with a remainder of 7.
Write down 5 as next digit of of the result. 
Result so far: 9745
Subtract 45 from 52 to get 7.

The final result is 9745 with a remainder of 7.