Alright, let's work through 66993641 times 20182806 step by step
66993641 × 20182806 = 20182806 × (66993641)
+ 20182806 × 1 that equals 20182806
+ 20182806 × 40 giving us 807312240
+ 20182806 × 600 giving us 12109683600
+ 20182806 × 3000 that results in 60548418000
+ 20182806 × 90000 which equals 1816452540000
+ 20182806 × 900000 that results in 18164525400000
+ 20182806 × 6000000 that equals 121096836000000
+ 20182806 × 60000000 that equals 1210968360000000

= 1352119659536646
