Alright, let's work through 7578 times 2878 step by step
7578 × 2878 = 2878 × (7578)
+ 2878 × 8 that results in 23024
+ 2878 × 70 which equals 201460
+ 2878 × 500 resulting in 1439000
+ 2878 × 7000 that results in 20146000

= 21809484
