No problem, we've got 8407240 and 5312879 to multiply
8407240 × 5312879 = 5312879 × (8407240)
+ 5312879 × 0 what gives us 0
+ 5312879 × 40 that results in 212515160
+ 5312879 × 200 which equals 1062575800
+ 5312879 × 7000 that is equal 37190153000
+ 5312879 × 00000 that is equal 0
+ 5312879 × 400000 yielding 2125151600000
+ 5312879 × 8000000 that results in 42503032000000

= 44666648843960
