Alright, let's work through 70349703 times 45379020 step by step
70349703 × 45379020 = 45379020 × (70349703)
+ 45379020 × 3 that is equal 136137060
+ 45379020 × 00 what gives us 0
+ 45379020 × 700 that equals 31765314000
+ 45379020 × 9000 that equals 408411180000
+ 45379020 × 40000 what gives us 1815160800000
+ 45379020 × 300000 yielding 13613706000000
+ 45379020 × 0000000 which equals 0
+ 45379020 × 70000000 giving us 3176531400000000

= 3192400579431060
