No problem, we've got 5355 and 5135 to multiply
5355 × 5135 = 5135 × (5355)
+ 5135 × 5 which equals 25675
+ 5135 × 50 yielding 256750
+ 5135 × 300 producing 1540500
+ 5135 × 5000 giving us 25675000

= 27497925
