Alright, let's work through 3453 times 2178 step by step
3453 × 2178 = 2178 × (3453)
+ 2178 × 3 resulting in 6534
+ 2178 × 50 producing 108900
+ 2178 × 400 what gives us 871200
+ 2178 × 3000 that is equal 6534000

= 7520634
