Alright, let's work through 98500402 times 66159764 step by step
98500402 × 66159764 = 66159764 × (98500402)
+ 66159764 × 2 that results in 132319528
+ 66159764 × 00 that equals 0
+ 66159764 × 400 what gives us 26463905600
+ 66159764 × 0000 what gives us 0
+ 66159764 × 00000 producing 0
+ 66159764 × 500000 producing 33079882000000
+ 66159764 × 8000000 resulting in 529278112000000
+ 66159764 × 90000000 that equals 5954378760000000

= 6516763350225128
