Alright, let's work through 67013078 times 71002538 step by step
67013078 × 71002538 = 71002538 × (67013078)
+ 71002538 × 8 which equals 568020304
+ 71002538 × 70 that is equal 4970177660
+ 71002538 × 000 giving us 0
+ 71002538 × 3000 what gives us 213007614000
+ 71002538 × 10000 that results in 710025380000
+ 71002538 × 000000 yielding 0
+ 71002538 × 7000000 yielding 497017766000000
+ 71002538 × 60000000 which equals 4260152280000000

= 4758098617191964
