No problem, we've got 1533 and 8413 to multiply
1533 × 8413 = 8413 × (1533)
+ 8413 × 3 giving us 25239
+ 8413 × 30 yielding 252390
+ 8413 × 500 what gives us 4206500
+ 8413 × 1000 resulting in 8413000

= 12897129
