No problem, we've got 5778 and 1639 to multiply
5778 × 1639 = 1639 × (5778)
+ 1639 × 8 that equals 13112
+ 1639 × 70 producing 114730
+ 1639 × 700 that equals 1147300
+ 1639 × 5000 producing 8195000

= 9470142
