No problem, we've got 3486 and 7647 to multiply
3486 × 7647 = 7647 × (3486)
+ 7647 × 6 what gives us 45882
+ 7647 × 80 what gives us 611760
+ 7647 × 400 that equals 3058800
+ 7647 × 3000 yielding 22941000

= 26657442
