Alright, let's work through 47396884 times 21958378 step by step
47396884 × 21958378 = 21958378 × (47396884)
+ 21958378 × 4 what gives us 87833512
+ 21958378 × 80 producing 1756670240
+ 21958378 × 800 which equals 17566702400
+ 21958378 × 6000 giving us 131750268000
+ 21958378 × 90000 giving us 1976254020000
+ 21958378 × 300000 yielding 6587513400000
+ 21958378 × 7000000 which equals 153708646000000
+ 21958378 × 40000000 that is equal 878335120000000

= 1040758694894152
