Alright, let's work through 53430808 times 12963474 step by step
53430808 × 12963474 = 12963474 × (53430808)
+ 12963474 × 8 what gives us 103707792
+ 12963474 × 00 producing 0
+ 12963474 × 800 what gives us 10370779200
+ 12963474 × 0000 what gives us 0
+ 12963474 × 30000 producing 388904220000
+ 12963474 × 400000 giving us 5185389600000
+ 12963474 × 3000000 that results in 38890422000000
+ 12963474 × 50000000 that results in 648173700000000

= 692648890306992
