Alright, let's work through 90349847 times 40614866 step by step
90349847 × 40614866 = 40614866 × (90349847)
+ 40614866 × 7 that is equal 284304062
+ 40614866 × 40 which equals 1624594640
+ 40614866 × 800 that equals 32491892800
+ 40614866 × 9000 that results in 365533794000
+ 40614866 × 40000 which equals 1624594640000
+ 40614866 × 300000 resulting in 12184459800000
+ 40614866 × 0000000 producing 0
+ 40614866 × 90000000 yielding 3655337940000000

= 3669546929025502
