Alright, let's work through 7715 times 2600 step by step
7715 × 2600 = 2600 × (7715)
+ 2600 × 5 that results in 13000
+ 2600 × 10 which equals 26000
+ 2600 × 700 giving us 1820000
+ 2600 × 7000 which equals 18200000

= 20059000
