Alright, let's work through 47278427 times 79178585 step by step
47278427 × 79178585 = 79178585 × (47278427)
+ 79178585 × 7 resulting in 554250095
+ 79178585 × 20 that equals 1583571700
+ 79178585 × 400 yielding 31671434000
+ 79178585 × 8000 what gives us 633428680000
+ 79178585 × 70000 giving us 5542500950000
+ 79178585 × 200000 what gives us 15835717000000
+ 79178585 × 7000000 that equals 554250095000000
+ 79178585 × 40000000 producing 3167143400000000

= 3743438950885795
