Alright, let's work through 4215 times 7512 step by step
4215 × 7512 = 7512 × (4215)
+ 7512 × 5 that results in 37560
+ 7512 × 10 which equals 75120
+ 7512 × 200 giving us 1502400
+ 7512 × 4000 that results in 30048000

= 31663080
