Alright, let's work through 18061947 times 29793717 step by step
18061947 × 29793717 = 29793717 × (18061947)
+ 29793717 × 7 yielding 208556019
+ 29793717 × 40 producing 1191748680
+ 29793717 × 900 that results in 26814345300
+ 29793717 × 1000 yielding 29793717000
+ 29793717 × 60000 yielding 1787623020000
+ 29793717 × 000000 yielding 0
+ 29793717 × 8000000 which equals 238349736000000
+ 29793717 × 10000000 what gives us 297937170000000

= 538132537386999
