No problem, we've got 3181 and 8638 to multiply
3181 × 8638 = 8638 × (3181)
+ 8638 × 1 that equals 8638
+ 8638 × 80 what gives us 691040
+ 8638 × 100 yielding 863800
+ 8638 × 3000 that is equal 25914000

= 27477478
