No problem, we've got 7163 and 7647 to multiply
7163 × 7647 = 7647 × (7163)
+ 7647 × 3 that is equal 22941
+ 7647 × 60 which equals 458820
+ 7647 × 100 resulting in 764700
+ 7647 × 7000 that equals 53529000

= 54775461
