We're going to solve 2100 multiplied by 7789
2100 × 7789 = 7789 × (2100)
+ 7789 × 0 that equals 0
+ 7789 × 00 yielding 0
+ 7789 × 100 that results in 778900
+ 7789 × 2000 what gives us 15578000

= 16356900
