No problem, we've got 1578 and 6413 to multiply
1578 × 6413 = 6413 × (1578)
+ 6413 × 8 resulting in 51304
+ 6413 × 70 yielding 448910
+ 6413 × 500 what gives us 3206500
+ 6413 × 1000 that results in 6413000

= 10119714
