Let's get this math done. We have 448 and we're going to multiply it by 4. This is the same as taking 448 and adding it to itself 4 times.
Step 1: 0 + 448 = 448
Step 2: 448 + 448 = 896
Step 3: 896 + 448 = 1344
Step 4: 1344 + 448 = 1792

So, 448*4 = 1792