No problem, we've got 6515 and 3539 to multiply
6515 × 3539 = 3539 × (6515)
+ 3539 × 5 yielding 17695
+ 3539 × 10 that results in 35390
+ 3539 × 500 which equals 1769500
+ 3539 × 6000 that results in 21234000

= 23056585
