Alright, let's work through 7840 times 5250 step by step
7840 × 5250 = 5250 × (7840)
+ 5250 × 0 yielding 0
+ 5250 × 40 producing 210000
+ 5250 × 800 producing 4200000
+ 5250 × 7000 what gives us 36750000

= 41160000
