Alright, let's work through 6465 times 2160 step by step
6465 × 2160 = 2160 × (6465)
+ 2160 × 5 giving us 10800
+ 2160 × 60 giving us 129600
+ 2160 × 400 giving us 864000
+ 2160 × 6000 what gives us 12960000

= 13964400
