8109 ÷ 7 = 1158 R3
Sure thing! Let's divide 8109 by 7 together.

Step 1:
7 goes into 8 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 7 from 8 to get 1.
Bring next digit (1) of the dividend behind the 1 and repeat the process: 11 / 7

Step 2:
7 goes into 11 1 times with a remainder of 4.
Write down 1 as next digit of of the result. 
Result so far: 11
Subtract 7 from 11 to get 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 7

Step 3:
7 goes into 40 5 times with a remainder of 5.
Write down 5 as next digit of of the result. 
Result so far: 115
Subtract 35 from 40 to get 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 7

Step 4:
7 goes into 59 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 1158
Subtract 56 from 59 to get 3.

The final result is 1158 with a remainder of 3.