No problem, we've got 7547 and 7668 to multiply
7547 × 7668 = 7668 × (7547)
+ 7668 × 7 what gives us 53676
+ 7668 × 40 which equals 306720
+ 7668 × 500 yielding 3834000
+ 7668 × 7000 resulting in 53676000

= 57870396
