Alright, let's work through 41658306 times 81309145 step by step
41658306 × 81309145 = 81309145 × (41658306)
+ 81309145 × 6 producing 487854870
+ 81309145 × 00 which equals 0
+ 81309145 × 300 which equals 24392743500
+ 81309145 × 8000 what gives us 650473160000
+ 81309145 × 50000 that is equal 4065457250000
+ 81309145 × 600000 that equals 48785487000000
+ 81309145 × 1000000 resulting in 81309145000000
+ 81309145 × 40000000 that results in 3252365800000000

= 3387201243008370
