No problem, we've got 7776 and 5880 to multiply
7776 × 5880 = 5880 × (7776)
+ 5880 × 6 giving us 35280
+ 5880 × 70 that is equal 411600
+ 5880 × 700 what gives us 4116000
+ 5880 × 7000 yielding 41160000

= 45722880
