OK, let's crack this. We're given 760 and our task is to multiply it by 3. Essentially, we'll be adding 760 to itself 3 times.
Step 1: 0 + 760 = 760
Step 2: 760 + 760 = 1520
Step 3: 1520 + 760 = 2280

So, 760*3 = 2280