No problem, we've got 9859 and 6015 to multiply
9859 × 6015 = 6015 × (9859)
+ 6015 × 9 what gives us 54135
+ 6015 × 50 yielding 300750
+ 6015 × 800 yielding 4812000
+ 6015 × 9000 yielding 54135000

= 59301885
