OK, let's crack this. We're given 93 and our task is to multiply it by 4. Essentially, we'll be adding 93 to itself 4 times.
Step 1: 0 + 93 = 93
Step 2: 93 + 93 = 186
Step 3: 186 + 93 = 279
Step 4: 279 + 93 = 372

So, 93*4 = 372