No problem, we've got 7884 and 891 to multiply
7884 × 891 = 891 × (7884)
+ 891 × 4 that is equal 3564
+ 891 × 80 what gives us 71280
+ 891 × 800 producing 712800
+ 891 × 7000 what gives us 6237000

= 7024644
