Alright, let's work through 3753 times 678 step by step
3753 × 678 = 678 × (3753)
+ 678 × 3 which equals 2034
+ 678 × 50 what gives us 33900
+ 678 × 700 that equals 474600
+ 678 × 3000 resulting in 2034000

= 2544534
