No problem, we've got 9890 and 1400 to multiply
9890 × 1400 = 1400 × (9890)
+ 1400 × 0 resulting in 0
+ 1400 × 90 that equals 126000
+ 1400 × 800 that results in 1120000
+ 1400 × 9000 giving us 12600000

= 13846000
