Alright, let's work through 36518978 times 40320081 step by step
36518978 × 40320081 = 40320081 × (36518978)
+ 40320081 × 8 yielding 322560648
+ 40320081 × 70 that equals 2822405670
+ 40320081 × 900 that is equal 36288072900
+ 40320081 × 8000 yielding 322560648000
+ 40320081 × 10000 giving us 403200810000
+ 40320081 × 500000 giving us 20160040500000
+ 40320081 × 6000000 producing 241920486000000
+ 40320081 × 30000000 producing 1209602430000000

= 1472448150997218
