No problem, we've got 3905 and 6781 to multiply
3905 × 6781 = 6781 × (3905)
+ 6781 × 5 what gives us 33905
+ 6781 × 00 that is equal 0
+ 6781 × 900 which equals 6102900
+ 6781 × 3000 resulting in 20343000

= 26479805
