Alright, let's work through 3778 times 890 step by step
3778 × 890 = 890 × (3778)
+ 890 × 8 resulting in 7120
+ 890 × 70 yielding 62300
+ 890 × 700 that is equal 623000
+ 890 × 3000 that is equal 2670000

= 3362420
