Alright, let's work through 47084837 times 48371821 step by step
47084837 × 48371821 = 48371821 × (47084837)
+ 48371821 × 7 that equals 338602747
+ 48371821 × 30 producing 1451154630
+ 48371821 × 800 that results in 38697456800
+ 48371821 × 4000 that equals 193487284000
+ 48371821 × 80000 giving us 3869745680000
+ 48371821 × 000000 that is equal 0
+ 48371821 × 7000000 which equals 338602747000000
+ 48371821 × 40000000 giving us 1934872840000000

= 2277579307178177
