Alright, let's work through 18039721 times 36967534 step by step
18039721 × 36967534 = 36967534 × (18039721)
+ 36967534 × 1 yielding 36967534
+ 36967534 × 20 what gives us 739350680
+ 36967534 × 700 that equals 25877273800
+ 36967534 × 9000 giving us 332707806000
+ 36967534 × 30000 that results in 1109026020000
+ 36967534 × 000000 giving us 0
+ 36967534 × 8000000 that equals 295740272000000
+ 36967534 × 10000000 what gives us 369675340000000

= 666883999418014
