No problem, we've got 45923146 and 81383848 to multiply
45923146 × 81383848 = 81383848 × (45923146)
+ 81383848 × 6 what gives us 488303088
+ 81383848 × 40 that results in 3255353920
+ 81383848 × 100 producing 8138384800
+ 81383848 × 3000 that results in 244151544000
+ 81383848 × 20000 resulting in 1627676960000
+ 81383848 × 900000 producing 73245463200000
+ 81383848 × 5000000 producing 406919240000000
+ 81383848 × 40000000 that equals 3255353920000000

= 3737402333745808
