Alright, let's work through 4329 times 1646 step by step
4329 × 1646 = 1646 × (4329)
+ 1646 × 9 that is equal 14814
+ 1646 × 20 that is equal 32920
+ 1646 × 300 that is equal 493800
+ 1646 × 4000 which equals 6584000

= 7125534
