Alright, let's work through 7810 times 6430 step by step
7810 × 6430 = 6430 × (7810)
+ 6430 × 0 which equals 0
+ 6430 × 10 what gives us 64300
+ 6430 × 800 resulting in 5144000
+ 6430 × 7000 yielding 45010000

= 50218300
