Let's roll up our sleeves and solve this. We have 698 and we're going to multiply it by 4, essentially adding 698 to itself 4 times.
Step 1: 0 + 698 = 698
Step 2: 698 + 698 = 1396
Step 3: 1396 + 698 = 2094
Step 4: 2094 + 698 = 2792

So, 698*4 = 2792