Alright, let's work through 2618 times 7992 step by step
2618 × 7992 = 7992 × (2618)
+ 7992 × 8 what gives us 63936
+ 7992 × 10 that is equal 79920
+ 7992 × 600 giving us 4795200
+ 7992 × 2000 that results in 15984000

= 20923056
