Alright, let's work through 98173280 times 49872364 step by step
98173280 × 49872364 = 49872364 × (98173280)
+ 49872364 × 0 that results in 0
+ 49872364 × 80 what gives us 3989789120
+ 49872364 × 200 producing 9974472800
+ 49872364 × 3000 what gives us 149617092000
+ 49872364 × 70000 producing 3491065480000
+ 49872364 × 100000 that is equal 4987236400000
+ 49872364 × 8000000 resulting in 398978912000000
+ 49872364 × 90000000 that is equal 4488512760000000

= 4896133555233920
