Alright, let's work through 6015 times 7668 step by step
6015 × 7668 = 7668 × (6015)
+ 7668 × 5 what gives us 38340
+ 7668 × 10 what gives us 76680
+ 7668 × 000 that results in 0
+ 7668 × 6000 yielding 46008000

= 46123020
