Alright, let's work through 4004 times 2179 step by step
4004 × 2179 = 2179 × (4004)
+ 2179 × 4 what gives us 8716
+ 2179 × 00 producing 0
+ 2179 × 000 what gives us 0
+ 2179 × 4000 what gives us 8716000

= 8724716
