No problem, we've got 2835 and 3871 to multiply
2835 × 3871 = 3871 × (2835)
+ 3871 × 5 what gives us 19355
+ 3871 × 30 that results in 116130
+ 3871 × 800 that equals 3096800
+ 3871 × 2000 resulting in 7742000

= 10974285
