Sure thing, let's get straight to it. We start with 87 and we're going to multiply it by 6, which means adding 87 to itself 6 times.
Step 1: 0 + 87 = 87
Step 2: 87 + 87 = 174
Step 3: 174 + 87 = 261
Step 4: 261 + 87 = 348
Step 5: 348 + 87 = 435
Step 6: 435 + 87 = 522

So, 87*6 = 522