Alright, let's work through 4218 times 6810 step by step
4218 × 6810 = 6810 × (4218)
+ 6810 × 8 what gives us 54480
+ 6810 × 10 resulting in 68100
+ 6810 × 200 that results in 1362000
+ 6810 × 4000 which equals 27240000

= 28724580
