No problem, we've got 7621 and 7163 to multiply
7621 × 7163 = 7163 × (7621)
+ 7163 × 1 which equals 7163
+ 7163 × 20 that equals 143260
+ 7163 × 600 that equals 4297800
+ 7163 × 7000 that results in 50141000

= 54589223
