No problem, we've got 2678 and 3915 to multiply
2678 × 3915 = 3915 × (2678)
+ 3915 × 8 yielding 31320
+ 3915 × 70 which equals 274050
+ 3915 × 600 resulting in 2349000
+ 3915 × 2000 what gives us 7830000

= 10484370
