OK, let's work through this together. We're starting with 152 and we're going to multiply it by 5, which means we add 152 to itself 5 times.
Step 1: 0 + 152 = 152
Step 2: 152 + 152 = 304
Step 3: 304 + 152 = 456
Step 4: 456 + 152 = 608
Step 5: 608 + 152 = 760

So, 152*5 = 760