Alright, let's work through 31820105 times 19480040 step by step
31820105 × 19480040 = 19480040 × (31820105)
+ 19480040 × 5 what gives us 97400200
+ 19480040 × 00 giving us 0
+ 19480040 × 100 giving us 1948004000
+ 19480040 × 0000 what gives us 0
+ 19480040 × 20000 what gives us 389600800000
+ 19480040 × 800000 what gives us 15584032000000
+ 19480040 × 1000000 producing 19480040000000
+ 19480040 × 30000000 resulting in 584401200000000

= 619856918204200
