Alright, let's work through 1458 times 8247 step by step
1458 × 8247 = 8247 × (1458)
+ 8247 × 8 which equals 65976
+ 8247 × 50 that equals 412350
+ 8247 × 400 yielding 3298800
+ 8247 × 1000 resulting in 8247000

= 12024126
