Alright, let's work through 2560 times 7704 step by step
2560 × 7704 = 7704 × (2560)
+ 7704 × 0 giving us 0
+ 7704 × 60 what gives us 462240
+ 7704 × 500 what gives us 3852000
+ 7704 × 2000 that is equal 15408000

= 19722240
