No problem, we've got 6539 and 2175 to multiply
6539 × 2175 = 2175 × (6539)
+ 2175 × 9 which equals 19575
+ 2175 × 30 what gives us 65250
+ 2175 × 500 that results in 1087500
+ 2175 × 6000 that results in 13050000

= 14222325
