No problem, we've got 7891 and 5330 to multiply
7891 × 5330 = 5330 × (7891)
+ 5330 × 1 what gives us 5330
+ 5330 × 90 what gives us 479700
+ 5330 × 800 producing 4264000
+ 5330 × 7000 yielding 37310000

= 42059030
