Alright, let's work through 9892 times 8090 step by step
9892 × 8090 = 8090 × (9892)
+ 8090 × 2 what gives us 16180
+ 8090 × 90 resulting in 728100
+ 8090 × 800 yielding 6472000
+ 8090 × 9000 which equals 72810000

= 80026280
