Alright, let's work through 71040541 times 67826871 step by step
71040541 × 67826871 = 67826871 × (71040541)
+ 67826871 × 1 what gives us 67826871
+ 67826871 × 40 which equals 2713074840
+ 67826871 × 500 what gives us 33913435500
+ 67826871 × 0000 yielding 0
+ 67826871 × 40000 producing 2713074840000
+ 67826871 × 000000 that results in 0
+ 67826871 × 1000000 that is equal 67826871000000
+ 67826871 × 70000000 yielding 4747880970000000

= 4818457610177211
