Sure thing, let's get straight to it. We start with 876 and we're going to multiply it by 3, which means adding 876 to itself 3 times.
Step 1: 0 + 876 = 876
Step 2: 876 + 876 = 1752
Step 3: 1752 + 876 = 2628

So, 876*3 = 2628