7155 ÷ 7 = 1022 R1
No problem, we've got 7155 and 7 for the division.

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

Step 2:
7 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 10
Subtract 0 from 1 to get 1.
Bring next digit (5) of the dividend behind the 1 and repeat the process: 15 / 7

Step 3:
7 goes into 15 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 102
Subtract 14 from 15 to get 1.
Bring next digit (5) of the dividend behind the 1 and repeat the process: 15 / 7

Step 4:
7 goes into 15 2 times with a remainder of 1.
Write down 2 as next digit of of the result. 
Result so far: 1022
Subtract 14 from 15 to get 1.

The final result is 1022 with a remainder of 1.