6231 ÷ 9 = 692 R3
Let's divide 6231 by 9.

Step 1:
9 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 (2) of the dividend behind the 6 and repeat the process: 62 / 9

Step 2:
9 goes into 62 6 times with a remainder of 8.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 54 from 62 to get 8.
Bring next digit (3) of the dividend behind the 8 and repeat the process: 83 / 9

Step 3:
9 goes into 83 9 times with a remainder of 2.
Write down 9 as next digit of of the result. 
Result so far: 69
Subtract 81 from 83 to get 2.
Bring next digit (1) of the dividend behind the 2 and repeat the process: 21 / 9

Step 4:
9 goes into 21 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 692
Subtract 18 from 21 to get 3.

The final result is 692 with a remainder of 3.