Okay, we are tasked with adding 4085 and 1711. Let's begin!

Step 1: We'll start by adding the digits 5 & 1 in column 1 and get 6.

Step 2: We'll start by adding the digits 8 & 1 in column 2 and get 9.

Step 3: We'll start by adding the digits 0 & 7 in column 3 and get 7.

Step 4: We'll start by adding the digits 4 & 1 in column 4 and get 5.

So, 4085 + 1711 = 5796.

