No problem, we've got 2544 and 6528 to multiply
2544 × 6528 = 6528 × (2544)
+ 6528 × 4 what gives us 26112
+ 6528 × 40 which equals 261120
+ 6528 × 500 which equals 3264000
+ 6528 × 2000 which equals 13056000

= 16607232
