Alright, let's work through 2515 times 3086 step by step
2515 × 3086 = 3086 × (2515)
+ 3086 × 5 that results in 15430
+ 3086 × 10 what gives us 30860
+ 3086 × 500 resulting in 1543000
+ 3086 × 2000 that is equal 6172000

= 7761290
