Without delay, let's solve this. We've got 880 and we will be multiplying it by 3, that is, adding 880 to itself 3 times.
Step 1: 0 + 880 = 880
Step 2: 880 + 880 = 1760
Step 3: 1760 + 880 = 2640

So, 880*3 = 2640