Alright, let's work through 53470205 times 73409307 step by step
53470205 × 73409307 = 73409307 × (53470205)
+ 73409307 × 5 resulting in 367046535
+ 73409307 × 00 resulting in 0
+ 73409307 × 200 producing 14681861400
+ 73409307 × 0000 which equals 0
+ 73409307 × 70000 that is equal 5138651490000
+ 73409307 × 400000 which equals 29363722800000
+ 73409307 × 3000000 resulting in 220227921000000
+ 73409307 × 50000000 yielding 3670465350000000

= 3925210694197935
