Alright, let's work through 4243 times 810 step by step
4243 × 810 = 810 × (4243)
+ 810 × 3 what gives us 2430
+ 810 × 40 producing 32400
+ 810 × 200 that results in 162000
+ 810 × 4000 what gives us 3240000

= 3436830
