Alright, let's work through 66649810 times 73254784 step by step
66649810 × 73254784 = 73254784 × (66649810)
+ 73254784 × 0 that results in 0
+ 73254784 × 10 yielding 732547840
+ 73254784 × 800 that equals 58603827200
+ 73254784 × 9000 that results in 659293056000
+ 73254784 × 40000 that results in 2930191360000
+ 73254784 × 600000 giving us 43952870400000
+ 73254784 × 6000000 producing 439528704000000
+ 73254784 × 60000000 producing 4395287040000000

= 4882417435191040
