No problem, we've got 4480 and 408 to multiply
4480 × 408 = 408 × (4480)
+ 408 × 0 giving us 0
+ 408 × 80 what gives us 32640
+ 408 × 400 that results in 163200
+ 408 × 4000 that is equal 1632000

= 1827840
