No problem, we've got 2190 and 7947 to multiply
2190 × 7947 = 7947 × (2190)
+ 7947 × 0 what gives us 0
+ 7947 × 90 resulting in 715230
+ 7947 × 100 producing 794700
+ 7947 × 2000 which equals 15894000

= 17403930
