Alright, let's work through 70650303 times 53399077 step by step
70650303 × 53399077 = 53399077 × (70650303)
+ 53399077 × 3 yielding 160197231
+ 53399077 × 00 that results in 0
+ 53399077 × 300 that results in 16019723100
+ 53399077 × 0000 which equals 0
+ 53399077 × 50000 giving us 2669953850000
+ 53399077 × 600000 producing 32039446200000
+ 53399077 × 0000000 yielding 0
+ 53399077 × 70000000 which equals 3737935390000000

= 3772660969970331
