Alright, let's work through 1802 times 7863 step by step
1802 × 7863 = 7863 × (1802)
+ 7863 × 2 that results in 15726
+ 7863 × 00 that is equal 0
+ 7863 × 800 producing 6290400
+ 7863 × 1000 producing 7863000

= 14169126
