Alright, let's work through 72127800 times 53349803 step by step
72127800 × 53349803 = 53349803 × (72127800)
+ 53349803 × 0 that results in 0
+ 53349803 × 00 producing 0
+ 53349803 × 800 that results in 42679842400
+ 53349803 × 7000 that equals 373448621000
+ 53349803 × 20000 producing 1066996060000
+ 53349803 × 100000 yielding 5334980300000
+ 53349803 × 2000000 that equals 106699606000000
+ 53349803 × 70000000 yielding 3734486210000000

= 3848003920823400
