OK, let's work through this together. We're starting with 440 and we're going to multiply it by 6, which means we add 440 to itself 6 times.
Step 1: 0 + 440 = 440
Step 2: 440 + 440 = 880
Step 3: 880 + 440 = 1320
Step 4: 1320 + 440 = 1760
Step 5: 1760 + 440 = 2200
Step 6: 2200 + 440 = 2640

So, 440*6 = 2640