Alright, let's work through 40240320 times 30644420 step by step
40240320 × 30644420 = 30644420 × (40240320)
+ 30644420 × 0 which equals 0
+ 30644420 × 20 yielding 612888400
+ 30644420 × 300 that is equal 9193326000
+ 30644420 × 0000 producing 0
+ 30644420 × 40000 what gives us 1225776800000
+ 30644420 × 200000 which equals 6128884000000
+ 30644420 × 0000000 producing 0
+ 30644420 × 40000000 that results in 1225776800000000

= 1233141267014400
