Alright, let's work through 2240 times 7443 step by step
2240 × 7443 = 7443 × (2240)
+ 7443 × 0 that is equal 0
+ 7443 × 40 resulting in 297720
+ 7443 × 200 that equals 1488600
+ 7443 × 2000 giving us 14886000

= 16672320
