Alright, let's work through 3720 times 3840 step by step
3720 × 3840 = 3840 × (3720)
+ 3840 × 0 yielding 0
+ 3840 × 20 resulting in 76800
+ 3840 × 700 that is equal 2688000
+ 3840 × 3000 what gives us 11520000

= 14284800
