No problem, we've got 9892 and 2190 to multiply
9892 × 2190 = 2190 × (9892)
+ 2190 × 2 giving us 4380
+ 2190 × 90 that is equal 197100
+ 2190 × 800 which equals 1752000
+ 2190 × 9000 what gives us 19710000

= 21663480
