No problem, we've got 40420219 and 78181800 to multiply
40420219 × 78181800 = 78181800 × (40420219)
+ 78181800 × 9 giving us 703636200
+ 78181800 × 10 that is equal 781818000
+ 78181800 × 200 that is equal 15636360000
+ 78181800 × 0000 that equals 0
+ 78181800 × 20000 which equals 1563636000000
+ 78181800 × 400000 that results in 31272720000000
+ 78181800 × 0000000 which equals 0
+ 78181800 × 40000000 that results in 3127272000000000

= 3160125477814200
