Let's calculate 2828 x 7218
2828 × 7218 = 7218 × (2828)
+ 7218 × 8 that is equal 57744
+ 7218 × 20 what gives us 144360
+ 7218 × 800 which equals 5774400
+ 7218 × 2000 resulting in 14436000

= 20412504
