No problem, we've got 9980 and 5639 to multiply
9980 × 5639 = 5639 × (9980)
+ 5639 × 0 that equals 0
+ 5639 × 80 producing 451120
+ 5639 × 900 that is equal 5075100
+ 5639 × 9000 that equals 50751000

= 56277220
