Alright, let's work through 3515 times 7698 step by step
3515 × 7698 = 7698 × (3515)
+ 7698 × 5 that equals 38490
+ 7698 × 10 resulting in 76980
+ 7698 × 500 which equals 3849000
+ 7698 × 3000 resulting in 23094000

= 27058470
