Alright, let's work through 3872 times 8090 step by step
3872 × 8090 = 8090 × (3872)
+ 8090 × 2 that results in 16180
+ 8090 × 70 that results in 566300
+ 8090 × 800 that is equal 6472000
+ 8090 × 3000 giving us 24270000

= 31324480
