No problem, we've got 1881 and 9421 to multiply
1881 × 9421 = 9421 × (1881)
+ 9421 × 1 which equals 9421
+ 9421 × 80 which equals 753680
+ 9421 × 800 resulting in 7536800
+ 9421 × 1000 that results in 9421000

= 17720901
