Alright, let's work through 47041947 times 78907439 step by step
47041947 × 78907439 = 78907439 × (47041947)
+ 78907439 × 7 which equals 552352073
+ 78907439 × 40 producing 3156297560
+ 78907439 × 900 producing 71016695100
+ 78907439 × 1000 what gives us 78907439000
+ 78907439 × 40000 that equals 3156297560000
+ 78907439 × 000000 giving us 0
+ 78907439 × 7000000 giving us 552352073000000
+ 78907439 × 40000000 giving us 3156297560000000

= 3711959563343733
