71400 ÷ 9 = 7933 R3
Alright, let's work through the division of 71400 by 9 step by step.

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 (4) of the dividend behind the 8 and repeat the process: 84 / 9

Step 3:
9 goes into 84 9 times with a remainder of 3.
Write down 9 as next digit of of the result. 
Result so far: 79
Subtract 81 from 84 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 9

Step 4:
9 goes into 30 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 793
Subtract 27 from 30 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 9

Step 5:
9 goes into 30 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 7933
Subtract 27 from 30 to get 3.

The final result is 7933 with a remainder of 3.