Alright, let's work through 71513655 times 67379917 step by step
71513655 × 67379917 = 67379917 × (71513655)
+ 67379917 × 5 which equals 336899585
+ 67379917 × 50 which equals 3368995850
+ 67379917 × 600 producing 40427950200
+ 67379917 × 3000 yielding 202139751000
+ 67379917 × 10000 which equals 673799170000
+ 67379917 × 500000 yielding 33689958500000
+ 67379917 × 1000000 giving us 67379917000000
+ 67379917 × 70000000 what gives us 4716594190000000

= 4818584138266635
