No problem, we've got 5810 and 7740 to multiply
5810 × 7740 = 7740 × (5810)
+ 7740 × 0 which equals 0
+ 7740 × 10 that is equal 77400
+ 7740 × 800 which equals 6192000
+ 7740 × 5000 that is equal 38700000

= 44969400
