Alright, let's work through 66661497 times 71194056 step by step
66661497 × 71194056 = 71194056 × (66661497)
+ 71194056 × 7 producing 498358392
+ 71194056 × 90 that results in 6407465040
+ 71194056 × 400 resulting in 28477622400
+ 71194056 × 1000 yielding 71194056000
+ 71194056 × 60000 what gives us 4271643360000
+ 71194056 × 600000 yielding 42716433600000
+ 71194056 × 6000000 resulting in 427164336000000
+ 71194056 × 60000000 what gives us 4271643360000000

= 4745902350461832
