Alright, let's work through 7970512 times 64234482 step by step
7970512 × 64234482 = 64234482 × (7970512)
+ 64234482 × 2 that is equal 128468964
+ 64234482 × 10 that is equal 642344820
+ 64234482 × 500 that equals 32117241000
+ 64234482 × 0000 giving us 0
+ 64234482 × 70000 that results in 4496413740000
+ 64234482 × 900000 yielding 57811033800000
+ 64234482 × 7000000 which equals 449641374000000

= 511981709594784
