Alright, let's work through 42325200 times 10099980 step by step
42325200 × 10099980 = 10099980 × (42325200)
+ 10099980 × 0 that results in 0
+ 10099980 × 00 that equals 0
+ 10099980 × 200 what gives us 2019996000
+ 10099980 × 5000 that results in 50499900000
+ 10099980 × 20000 that equals 201999600000
+ 10099980 × 300000 yielding 3029994000000
+ 10099980 × 2000000 producing 20199960000000
+ 10099980 × 40000000 producing 403999200000000

= 427483673496000
