Sure thing! We've got 89 and we're gonna multiply it by 4. That's the same as adding 89 to itself 4 times.
Step 1: 0 + 89 = 89
Step 2: 89 + 89 = 178
Step 3: 178 + 89 = 267
Step 4: 267 + 89 = 356

So, 89*4 = 356