Alright, let's work through 3280 times 4722 step by step
3280 × 4722 = 4722 × (3280)
+ 4722 × 0 what gives us 0
+ 4722 × 80 that is equal 377760
+ 4722 × 200 that results in 944400
+ 4722 × 3000 producing 14166000

= 15488160
