Sure thing, let's get straight to it. We start with 41 and we're going to multiply it by 4, which means adding 41 to itself 4 times.
Step 1: 0 + 41 = 41
Step 2: 41 + 41 = 82
Step 3: 82 + 41 = 123
Step 4: 123 + 41 = 164

So, 41*4 = 164