Alright, let's work through 3339 times 7878 step by step
3339 × 7878 = 7878 × (3339)
+ 7878 × 9 giving us 70902
+ 7878 × 30 yielding 236340
+ 7878 × 300 resulting in 2363400
+ 7878 × 3000 resulting in 23634000

= 26304642
