No problem, we've got 2273 and 8320 to multiply
2273 × 8320 = 8320 × (2273)
+ 8320 × 3 resulting in 24960
+ 8320 × 70 that results in 582400
+ 8320 × 200 which equals 1664000
+ 8320 × 2000 which equals 16640000

= 18911360
