Alright, let's work through 71311941 times 42637265 step by step
71311941 × 42637265 = 42637265 × (71311941)
+ 42637265 × 1 that is equal 42637265
+ 42637265 × 40 giving us 1705490600
+ 42637265 × 900 that results in 38373538500
+ 42637265 × 1000 yielding 42637265000
+ 42637265 × 10000 that is equal 426372650000
+ 42637265 × 300000 what gives us 12791179500000
+ 42637265 × 1000000 producing 42637265000000
+ 42637265 × 70000000 what gives us 2984608550000000

= 3040546126081365
