Alright, let's work through 7890 times 336 step by step
7890 × 336 = 336 × (7890)
+ 336 × 0 resulting in 0
+ 336 × 90 which equals 30240
+ 336 × 800 that results in 268800
+ 336 × 7000 producing 2352000

= 2651040
