No problem, we've got 7653 and 7140 to multiply
7653 × 7140 = 7140 × (7653)
+ 7140 × 3 which equals 21420
+ 7140 × 50 producing 357000
+ 7140 × 600 which equals 4284000
+ 7140 × 7000 giving us 49980000

= 54642420
