No problem, we've got 18947196 and 20392765 to multiply
18947196 × 20392765 = 20392765 × (18947196)
+ 20392765 × 6 that is equal 122356590
+ 20392765 × 90 that is equal 1835348850
+ 20392765 × 100 giving us 2039276500
+ 20392765 × 7000 that results in 142749355000
+ 20392765 × 40000 giving us 815710600000
+ 20392765 × 900000 that equals 18353488500000
+ 20392765 × 8000000 giving us 163142120000000
+ 20392765 × 10000000 which equals 203927650000000

= 386385715436940
