No problem, we've got 3813 and 3090 to multiply
3813 × 3090 = 3090 × (3813)
+ 3090 × 3 that equals 9270
+ 3090 × 10 that equals 30900
+ 3090 × 800 what gives us 2472000
+ 3090 × 3000 which equals 9270000

= 11782170
