Alright, let's work through 4323 times 40 step by step
4323 × 40 = 40 × (4323)
+ 40 × 3 that is equal 120
+ 40 × 20 that results in 800
+ 40 × 300 what gives us 12000
+ 40 × 4000 producing 160000

= 172920
