Alright, let's work through 71073007 times 65021548 step by step
71073007 × 65021548 = 65021548 × (71073007)
+ 65021548 × 7 that is equal 455150836
+ 65021548 × 00 giving us 0
+ 65021548 × 000 that equals 0
+ 65021548 × 3000 giving us 195064644000
+ 65021548 × 70000 which equals 4551508360000
+ 65021548 × 000000 what gives us 0
+ 65021548 × 1000000 yielding 65021548000000
+ 65021548 × 70000000 that results in 4551508360000000

= 4621276936154836
