Alright, let's work through 2187 times 4224 step by step
2187 × 4224 = 4224 × (2187)
+ 4224 × 7 resulting in 29568
+ 4224 × 80 that is equal 337920
+ 4224 × 100 what gives us 422400
+ 4224 × 2000 that is equal 8448000

= 9237888
