We're going to solve 2515 multiplied by 9780
2515 × 9780 = 9780 × (2515)
+ 9780 × 5 what gives us 48900
+ 9780 × 10 yielding 97800
+ 9780 × 500 which equals 4890000
+ 9780 × 2000 resulting in 19560000

= 24596700
