Alright, let's work through 78676039 times 73444238 step by step
78676039 × 73444238 = 73444238 × (78676039)
+ 73444238 × 9 what gives us 660998142
+ 73444238 × 30 yielding 2203327140
+ 73444238 × 000 that results in 0
+ 73444238 × 6000 that equals 440665428000
+ 73444238 × 70000 which equals 5141096660000
+ 73444238 × 600000 what gives us 44066542800000
+ 73444238 × 8000000 producing 587553904000000
+ 73444238 × 70000000 yielding 5141096660000000

= 5778301733213282
