Alright, let's work through 1340 times 6280 step by step
1340 × 6280 = 6280 × (1340)
+ 6280 × 0 producing 0
+ 6280 × 40 which equals 251200
+ 6280 × 300 that is equal 1884000
+ 6280 × 1000 resulting in 6280000

= 8415200
