Alright, let's work through 40394149 times 30321136 step by step
40394149 × 30321136 = 30321136 × (40394149)
+ 30321136 × 9 that is equal 272890224
+ 30321136 × 40 yielding 1212845440
+ 30321136 × 100 yielding 3032113600
+ 30321136 × 4000 what gives us 121284544000
+ 30321136 × 90000 that equals 2728902240000
+ 30321136 × 300000 resulting in 9096340800000
+ 30321136 × 0000000 producing 0
+ 30321136 × 40000000 that is equal 1212845440000000

= 1224796485433264
