Alright, let's work through 2864 times 7040 step by step
2864 × 7040 = 7040 × (2864)
+ 7040 × 4 that equals 28160
+ 7040 × 60 resulting in 422400
+ 7040 × 800 that results in 5632000
+ 7040 × 2000 producing 14080000

= 20162560
