No problem, we've got 3387 and 7890 to multiply
3387 × 7890 = 7890 × (3387)
+ 7890 × 7 resulting in 55230
+ 7890 × 80 what gives us 631200
+ 7890 × 300 giving us 2367000
+ 7890 × 3000 that results in 23670000

= 26723430
