Let's solve this addition problem. We have 37 and 302, and we need to add them together.

Step 1: We'll start by adding the digits 7 & 2 in column 1 and get 9.

Step 2: We'll start by adding the digits 3 & 0 in column 2 and get 3.

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

So, 37 + 302 = 339.

