No problem, we've got 27770379 and 17916512 to multiply
27770379 × 17916512 = 17916512 × (27770379)
+ 17916512 × 9 that is equal 161248608
+ 17916512 × 70 which equals 1254155840
+ 17916512 × 300 what gives us 5374953600
+ 17916512 × 0000 that equals 0
+ 17916512 × 70000 yielding 1254155840000
+ 17916512 × 700000 giving us 12541558400000
+ 17916512 × 7000000 that equals 125415584000000
+ 17916512 × 20000000 producing 358330240000000

= 497548328598048
