Alright, let's work through 9980 times 2642 step by step
9980 × 2642 = 2642 × (9980)
+ 2642 × 0 producing 0
+ 2642 × 80 yielding 211360
+ 2642 × 900 giving us 2377800
+ 2642 × 9000 that is equal 23778000

= 26367160
