Alright, let's work through 48497972 times 31381947 step by step
48497972 × 31381947 = 31381947 × (48497972)
+ 31381947 × 2 which equals 62763894
+ 31381947 × 70 producing 2196736290
+ 31381947 × 900 producing 28243752300
+ 31381947 × 7000 that is equal 219673629000
+ 31381947 × 90000 which equals 2824375230000
+ 31381947 × 400000 that results in 12552778800000
+ 31381947 × 8000000 that is equal 251055576000000
+ 31381947 × 40000000 that results in 1255277880000000

= 1521960786911484
