Alright, let's work through 7487 times 1664 step by step
7487 × 1664 = 1664 × (7487)
+ 1664 × 7 producing 11648
+ 1664 × 80 that results in 133120
+ 1664 × 400 that results in 665600
+ 1664 × 7000 what gives us 11648000

= 12458368
