Alright, let's work through 3397 times 4373 step by step
3397 × 4373 = 4373 × (3397)
+ 4373 × 7 giving us 30611
+ 4373 × 90 what gives us 393570
+ 4373 × 300 what gives us 1311900
+ 4373 × 3000 which equals 13119000

= 14855081
