Alright, let's work through 45303009 times 62983012 step by step
45303009 × 62983012 = 62983012 × (45303009)
+ 62983012 × 9 producing 566847108
+ 62983012 × 00 producing 0
+ 62983012 × 000 that equals 0
+ 62983012 × 3000 which equals 188949036000
+ 62983012 × 00000 what gives us 0
+ 62983012 × 300000 that equals 18894903600000
+ 62983012 × 5000000 yielding 314915060000000
+ 62983012 × 40000000 that results in 2519320480000000

= 2853319959483108
