We're going to solve 72437776 multiplied by 71203813
72437776 × 71203813 = 71203813 × (72437776)
+ 71203813 × 6 what gives us 427222878
+ 71203813 × 70 yielding 4984266910
+ 71203813 × 700 resulting in 49842669100
+ 71203813 × 7000 yielding 498426691000
+ 71203813 × 30000 that equals 2136114390000
+ 71203813 × 400000 which equals 28481525200000
+ 71203813 × 2000000 giving us 142407626000000
+ 71203813 × 70000000 yielding 4984266910000000

= 5157845856439888
