Alright, let's work through 9290 times 1431 step by step
9290 × 1431 = 1431 × (9290)
+ 1431 × 0 resulting in 0
+ 1431 × 90 what gives us 128790
+ 1431 × 200 yielding 286200
+ 1431 × 9000 that results in 12879000

= 13293990
