Alright, let's work through 3654 times 3890 step by step
3654 × 3890 = 3890 × (3654)
+ 3890 × 4 giving us 15560
+ 3890 × 50 what gives us 194500
+ 3890 × 600 resulting in 2334000
+ 3890 × 3000 which equals 11670000

= 14214060
