Alright, let's work through 1780 times 6307 step by step
1780 × 6307 = 6307 × (1780)
+ 6307 × 0 that results in 0
+ 6307 × 80 which equals 504560
+ 6307 × 700 producing 4414900
+ 6307 × 1000 producing 6307000

= 11226460
