Alright, let's work through 3685 times 5477 step by step
3685 × 5477 = 5477 × (3685)
+ 5477 × 5 yielding 27385
+ 5477 × 80 yielding 438160
+ 5477 × 600 producing 3286200
+ 5477 × 3000 that is equal 16431000

= 20182745
