No problem, we've got 4780 and 7993 to multiply
4780 × 7993 = 7993 × (4780)
+ 7993 × 0 producing 0
+ 7993 × 80 that is equal 639440
+ 7993 × 700 that is equal 5595100
+ 7993 × 4000 yielding 31972000

= 38206540
