No problem, we've got 4890 and 9100 to multiply
4890 × 9100 = 9100 × (4890)
+ 9100 × 0 that equals 0
+ 9100 × 90 yielding 819000
+ 9100 × 800 that is equal 7280000
+ 9100 × 4000 that equals 36400000

= 44499000
