Alright, let's work through 40838314 times 83781585 step by step
40838314 × 83781585 = 83781585 × (40838314)
+ 83781585 × 4 that equals 335126340
+ 83781585 × 10 that results in 837815850
+ 83781585 × 300 that results in 25134475500
+ 83781585 × 8000 that equals 670252680000
+ 83781585 × 30000 that results in 2513447550000
+ 83781585 × 800000 which equals 67025268000000
+ 83781585 × 0000000 that equals 0
+ 83781585 × 40000000 yielding 3351263400000000

= 3421498675647690
