No problem, we've got 18468801 and 39743947 to multiply
18468801 × 39743947 = 39743947 × (18468801)
+ 39743947 × 1 what gives us 39743947
+ 39743947 × 00 giving us 0
+ 39743947 × 800 that equals 31795157600
+ 39743947 × 8000 producing 317951576000
+ 39743947 × 60000 that equals 2384636820000
+ 39743947 × 400000 giving us 15897578800000
+ 39743947 × 8000000 that is equal 317951576000000
+ 39743947 × 10000000 resulting in 397439470000000

= 734023048097547
