OK, let's work through this together. We're starting with 490 and we're going to multiply it by 4, which means we add 490 to itself 4 times.
Step 1: 0 + 490 = 490
Step 2: 490 + 490 = 980
Step 3: 980 + 490 = 1470
Step 4: 1470 + 490 = 1960

So, 490*4 = 1960