OK, let's work through this together. We're starting with 98 and we're going to multiply it by 6, which means we add 98 to itself 6 times.
Step 1: 0 + 98 = 98
Step 2: 98 + 98 = 196
Step 3: 196 + 98 = 294
Step 4: 294 + 98 = 392
Step 5: 392 + 98 = 490
Step 6: 490 + 98 = 588

So, 98*6 = 588