No problem, we've got 2587 and 6528 to multiply
2587 × 6528 = 6528 × (2587)
+ 6528 × 7 that results in 45696
+ 6528 × 80 resulting in 522240
+ 6528 × 500 what gives us 3264000
+ 6528 × 2000 resulting in 13056000

= 16887936
