Alright, let's work through 89217494 times 48946378 step by step
89217494 × 48946378 = 48946378 × (89217494)
+ 48946378 × 4 that equals 195785512
+ 48946378 × 90 giving us 4405174020
+ 48946378 × 400 yielding 19578551200
+ 48946378 × 7000 that results in 342624646000
+ 48946378 × 10000 that is equal 489463780000
+ 48946378 × 200000 that equals 9789275600000
+ 48946378 × 9000000 yielding 440517402000000
+ 48946378 × 80000000 producing 3915710240000000

= 4366873185536732
