Alright, let's work through 71204755 times 51856833 step by step
71204755 × 51856833 = 51856833 × (71204755)
+ 51856833 × 5 giving us 259284165
+ 51856833 × 50 resulting in 2592841650
+ 51856833 × 700 that is equal 36299783100
+ 51856833 × 4000 producing 207427332000
+ 51856833 × 00000 that is equal 0
+ 51856833 × 200000 yielding 10371366600000
+ 51856833 × 1000000 yielding 51856833000000
+ 51856833 × 70000000 giving us 3629978310000000

= 3692453088840915
