No problem, we've got 4919 and 7989 to multiply
4919 × 7989 = 7989 × (4919)
+ 7989 × 9 what gives us 71901
+ 7989 × 10 that results in 79890
+ 7989 × 900 yielding 7190100
+ 7989 × 4000 that is equal 31956000

= 39297891
