Alright, let's work through 7289 times 2490 step by step
7289 × 2490 = 2490 × (7289)
+ 2490 × 9 which equals 22410
+ 2490 × 80 resulting in 199200
+ 2490 × 200 which equals 498000
+ 2490 × 7000 which equals 17430000

= 18149610
