9102 ÷ 5 = 1820 R2
Let's divide 9102 by 5.

Step 1:
5 goes into 9 1 times with a remainder of 4.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 5 from 9 to get 4.
Bring next digit (1) of the dividend behind the 4 and repeat the process: 41 / 5

Step 2:
5 goes into 41 8 times with a remainder of 1.
Write down 8 as next digit of of the result. 
Result so far: 18
Subtract 40 from 41 to get 1.
Bring next digit (0) of the dividend behind the 1 and repeat the process: 10 / 5

Step 3:
5 goes into 10 2 times with a remainder of 0.
Write down 2 as next digit of of the result. 
Result so far: 182
Subtract 10 from 10 to get 0.
Bring next digit (2) of the dividend behind the 0 and repeat the process: 2 / 5

Step 4:
5 goes into 2 0 times with a remainder of 2.
Write down 0 as next digit of of the result. 
Result so far: 1820
Subtract 0 from 2 to get 2.

The final result is 1820 with a remainder of 2.