Alright, let's work through 3841542 times 64158222 step by step
3841542 × 64158222 = 64158222 × (3841542)
+ 64158222 × 2 that equals 128316444
+ 64158222 × 40 that results in 2566328880
+ 64158222 × 500 giving us 32079111000
+ 64158222 × 1000 producing 64158222000
+ 64158222 × 40000 that results in 2566328880000
+ 64158222 × 800000 giving us 51326577600000
+ 64158222 × 3000000 producing 192474666000000

= 246466504458324
