Alright, let's work through 4156 times 8021 step by step
4156 × 8021 = 8021 × (4156)
+ 8021 × 6 what gives us 48126
+ 8021 × 50 that equals 401050
+ 8021 × 100 resulting in 802100
+ 8021 × 4000 what gives us 32084000

= 33335276
