Alright, let's work through 7809 times 1842 step by step
7809 × 1842 = 1842 × (7809)
+ 1842 × 9 that results in 16578
+ 1842 × 00 that is equal 0
+ 1842 × 800 producing 1473600
+ 1842 × 7000 that is equal 12894000

= 14384178
