Alright, let's work through 4138 times 9021 step by step
4138 × 9021 = 9021 × (4138)
+ 9021 × 8 what gives us 72168
+ 9021 × 30 what gives us 270630
+ 9021 × 100 that is equal 902100
+ 9021 × 4000 resulting in 36084000

= 37328898
