Alright, let's work through 45396340 times 13863520 step by step
45396340 × 13863520 = 13863520 × (45396340)
+ 13863520 × 0 yielding 0
+ 13863520 × 40 giving us 554540800
+ 13863520 × 300 giving us 4159056000
+ 13863520 × 6000 what gives us 83181120000
+ 13863520 × 90000 what gives us 1247716800000
+ 13863520 × 300000 that is equal 4159056000000
+ 13863520 × 5000000 what gives us 69317600000000
+ 13863520 × 40000000 yielding 554540800000000

= 629353067516800
