Alright, let's work through 9890 times 1457 step by step
9890 × 1457 = 1457 × (9890)
+ 1457 × 0 giving us 0
+ 1457 × 90 resulting in 131130
+ 1457 × 800 what gives us 1165600
+ 1457 × 9000 producing 13113000

= 14409730
