Alright, let's work through 4990 times 3780 step by step
4990 × 3780 = 3780 × (4990)
+ 3780 × 0 giving us 0
+ 3780 × 90 yielding 340200
+ 3780 × 900 that equals 3402000
+ 3780 × 4000 which equals 15120000

= 18862200
