Alright, let's work through 2779 times 6570 step by step
2779 × 6570 = 6570 × (2779)
+ 6570 × 9 that is equal 59130
+ 6570 × 70 producing 459900
+ 6570 × 700 what gives us 4599000
+ 6570 × 2000 what gives us 13140000

= 18258030
