No problem, we've got 2106 and 9021 to multiply
2106 × 9021 = 9021 × (2106)
+ 9021 × 6 that results in 54126
+ 9021 × 00 giving us 0
+ 9021 × 100 yielding 902100
+ 9021 × 2000 that equals 18042000

= 18998226
