76782 ÷ 9 = 8531 R3
We're going to perform division on 76782 with 9 as the divisor.

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 (6) of the dividend behind the 7 and repeat the process: 76 / 9

Step 2:
9 goes into 76 8 times with a remainder of 4.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 72 from 76 to get 4.
Bring next digit (7) of the dividend behind the 4 and repeat the process: 47 / 9

Step 3:
9 goes into 47 5 times with a remainder of 2.
Write down 5 as next digit of of the result. 
Result so far: 85
Subtract 45 from 47 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 9

Step 4:
9 goes into 28 3 times with a remainder of 1.
Write down 3 as next digit of of the result. 
Result so far: 853
Subtract 27 from 28 to get 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 9

Step 5:
9 goes into 12 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 8531
Subtract 9 from 12 to get 3.

The final result is 8531 with a remainder of 3.