Alright, let's work through 2640 times 7488 step by step
2640 × 7488 = 7488 × (2640)
+ 7488 × 0 that results in 0
+ 7488 × 40 that is equal 299520
+ 7488 × 600 producing 4492800
+ 7488 × 2000 that results in 14976000

= 19768320
