No problem, we've got 5639 and 9280 to multiply
5639 × 9280 = 9280 × (5639)
+ 9280 × 9 yielding 83520
+ 9280 × 30 which equals 278400
+ 9280 × 600 that is equal 5568000
+ 9280 × 5000 that results in 46400000

= 52329920
