Alright, let's work through 7287 times 470 step by step
7287 × 470 = 470 × (7287)
+ 470 × 7 which equals 3290
+ 470 × 80 yielding 37600
+ 470 × 200 that results in 94000
+ 470 × 7000 that results in 3290000

= 3424890
