Alright, let's work through 42276581 times 75643601 step by step
42276581 × 75643601 = 75643601 × (42276581)
+ 75643601 × 1 resulting in 75643601
+ 75643601 × 80 resulting in 6051488080
+ 75643601 × 500 producing 37821800500
+ 75643601 × 6000 yielding 453861606000
+ 75643601 × 70000 that equals 5295052070000
+ 75643601 × 200000 what gives us 15128720200000
+ 75643601 × 2000000 that equals 151287202000000
+ 75643601 × 40000000 that results in 3025744040000000

= 3197952824808181
