Alright, let's work through 47864970 times 57687707 step by step
47864970 × 57687707 = 57687707 × (47864970)
+ 57687707 × 0 that results in 0
+ 57687707 × 70 that is equal 4038139490
+ 57687707 × 900 resulting in 51918936300
+ 57687707 × 4000 which equals 230750828000
+ 57687707 × 60000 yielding 3461262420000
+ 57687707 × 800000 resulting in 46150165600000
+ 57687707 × 7000000 yielding 403813949000000
+ 57687707 × 40000000 that equals 2307508280000000

= 2761220364923790
