Alright, let's work through 3687 times 478 step by step
3687 × 478 = 478 × (3687)
+ 478 × 7 that equals 3346
+ 478 × 80 resulting in 38240
+ 478 × 600 yielding 286800
+ 478 × 3000 giving us 1434000

= 1762386
