Alright, let's work through 7389 times 402 step by step
7389 × 402 = 402 × (7389)
+ 402 × 9 that results in 3618
+ 402 × 80 that is equal 32160
+ 402 × 300 yielding 120600
+ 402 × 7000 which equals 2814000

= 2970378
