Alright, let's work through 64233470 times 9419320 step by step
64233470 × 9419320 = 9419320 × (64233470)
+ 9419320 × 0 giving us 0
+ 9419320 × 70 yielding 659352400
+ 9419320 × 400 producing 3767728000
+ 9419320 × 3000 that is equal 28257960000
+ 9419320 × 30000 yielding 282579600000
+ 9419320 × 200000 resulting in 1883864000000
+ 9419320 × 4000000 which equals 37677280000000
+ 9419320 × 60000000 what gives us 565159200000000

= 605035608640400
