Alright, let's work through 3811 times 4373 step by step
3811 × 4373 = 4373 × (3811)
+ 4373 × 1 producing 4373
+ 4373 × 10 which equals 43730
+ 4373 × 800 that results in 3498400
+ 4373 × 3000 producing 13119000

= 16665503
