No problem, we've got 9720 and 5779 to multiply
9720 × 5779 = 5779 × (9720)
+ 5779 × 0 producing 0
+ 5779 × 20 what gives us 115580
+ 5779 × 700 what gives us 4045300
+ 5779 × 9000 that equals 52011000

= 56171880
