No problem, we've got 9957 and 1531 to multiply
9957 × 1531 = 1531 × (9957)
+ 1531 × 7 producing 10717
+ 1531 × 50 that results in 76550
+ 1531 × 900 what gives us 1377900
+ 1531 × 9000 yielding 13779000

= 15244167
