No problem, we've got 29977949 and 13353569 to multiply
29977949 × 13353569 = 13353569 × (29977949)
+ 13353569 × 9 giving us 120182121
+ 13353569 × 40 which equals 534142760
+ 13353569 × 900 what gives us 12018212100
+ 13353569 × 7000 what gives us 93474983000
+ 13353569 × 70000 producing 934749830000
+ 13353569 × 900000 resulting in 12018212100000
+ 13353569 × 9000000 resulting in 120182121000000
+ 13353569 × 20000000 which equals 267071380000000

= 400312610449981
