71845 ÷ 9 = 7982 R7
No problem, we've got 71845 and 9 for the division.

Step 1:
9 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 (1) of the dividend behind the 7 and repeat the process: 71 / 9

Step 2:
9 goes into 71 7 times with a remainder of 8.
Write down 7 as next digit of of the result. 
Result so far: 7
Subtract 63 from 71 to get 8.
Bring next digit (8) of the dividend behind the 8 and repeat the process: 88 / 9

Step 3:
9 goes into 88 9 times with a remainder of 7.
Write down 9 as next digit of of the result. 
Result so far: 79
Subtract 81 from 88 to get 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 9

Step 4:
9 goes into 74 8 times with a remainder of 2.
Write down 8 as next digit of of the result. 
Result so far: 798
Subtract 72 from 74 to get 2.
Bring next digit (5) of the dividend behind the 2 and repeat the process: 25 / 9

Step 5:
9 goes into 25 2 times with a remainder of 7.
Write down 2 as next digit of of the result. 
Result so far: 7982
Subtract 18 from 25 to get 7.

The final result is 7982 with a remainder of 7.