Alright, let's work through 71221319 times 59742037 step by step
71221319 × 59742037 = 59742037 × (71221319)
+ 59742037 × 9 yielding 537678333
+ 59742037 × 10 that equals 597420370
+ 59742037 × 300 that is equal 17922611100
+ 59742037 × 1000 producing 59742037000
+ 59742037 × 20000 that equals 1194840740000
+ 59742037 × 200000 yielding 11948407400000
+ 59742037 × 1000000 giving us 59742037000000
+ 59742037 × 70000000 what gives us 4181942590000000

= 4254906674886803
